Homework Answers
Add Answer to:
Q3:- Body will be free vibrate from rest and distance Im under action of force f(t)...
Q3:- Body will be free vibrate from rest and distance Im under action of force ft)...
Q3:- Body will be free vibrate from rest and distance Im under action of force ft) = 3 sint by used second order differential equation find the equation of motion and find distance at t - 1 sec. Given (m= 1 kg & k= 4 N.m). Solution:-
Q3) A mass of 3 kg moves horizontally along x axis under the action of a force depends on time , given as following...
Q3) A mass of 3 kg moves horizontally along x axis under the action of a force depends on time , given as following: F(t)4N where t in seconds, a) Find the impulse of this force during the interval t= 0 to t-2 S, if the mass starts motion from rest at x-0 b) Find its velocity and position as function of time.
If a body of mass m falling from rest under the action of gravity encounters an...
If a body of mass m falling from rest under the action of gravity encounters an air resistance proportional to the square of the velocity, then the body's velocity t sec into dv the fall satisfies the differential equation m- mg-kv, where k is a constant that depends on the body's aerodynamic properties and the density of the air. (Assume dt that the fall is short enough so that the variation in the air's density will not affect the outcome...
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1 = 1kg, c = 5N.s/m, k = 4 N/m F(t) = 2N And x'...
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1 = 1kg, c = 5N.s/m, k = 4 N/m F(t) = 2N And x'(0)=x(0)=0 Find the solution of this differential equation using Laplace transforms. F(t) 7m
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1...
For a mass-spring oscillator, Newton's second law implies that the position y(t) of the mass is...
For a mass-spring oscillator, Newton's second law implies that the position y(t) of the mass is governed by the second-order differential equation my'' (t) + by' (t) + ky(t) = 0. (a) Find the equation of motion for the vibrating spring with damping if m= 10 kg, b = 100 kg/sec, k = 260 kg/sec?. y(0) = 0.3 m, and y'(0) = -0.4 m/sec. (b) After how many seconds will the mass in part (a) first cross the equilibrium point?...
Problem 36 bclow presents a model describing the drag of a fluid medium that is released from rest at time t 0 (same in...
Problem 36 bclow presents a model describing the drag of a fluid medium that is released from rest at time t 0 (same initial conditions). Using Newton's Second Law, you build a model of the form particle moving through a (governing equation (initial velocity) mi mg-F drag '0 (0)(0)a (t) is the particle's position, m is the mass of the particle, g is the acceleration due to gravity, and Fa is the magnitude of the drag force. You account for...
A 50kg skydiver jumps out of an airplane. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude cv^2 where c=.1275 kg/m and i
A 50kg skydiver jumps out of an airplane. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude cv^2 where c=.1275 kg/m and is the velocity of the skydiver at time t (and upward is positive velocity). The gravitational constant is 9.8 m/s^2 . a) Find a differential equation for the velocity. b) Determine the terminal velocity in...
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the f...
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant (a) (b) (c) (d) Calculate the total energy expended in the acceleration. Plot a graph of the kinetic...
2. An object of 5 kg is released from rest 1000 meters above the ground level...
2. An object of 5 kg is released from rest 1000 meters above the ground level and allowed to fall under the influence of gravity. Assuming that the force due to air resistance is proportional to the velocity of the object with proportionality constant k = 50 kg/sec determine the formula for the velocity of the object 3. A rocket having an initial mass mo kg is launched vertically from the surface of the Earth. The rocket expels gas at...
GROUP PROBLEM-1 SAN FRANCISCO STATE UNIVERSITY Given: The 300-kg bar B, originally at rest, is towed...
GROUP PROBLEM-1 SAN FRANCISCO STATE UNIVERSITY Given: The 300-kg bar B, originally at rest, is towed over a series of small rollers. The motor M is drawing in the cable at a rate of v (0.4 t2) m/s, where t is in seconds. Find: Force in the ca ble and distance s whent 5s. Plan: Since both forces and velocity are involved, this problem requires both kinematics and the equation of motion. 1) Draw the free-body and kinetic diagrams of...
Q3:- Body will be free vibrate from rest and distance Im under action of force ft) = 3 sint by used second order differential equation find the equation of motion and find distance at t - 1 sec. Given (m= 1 kg & k= 4 N.m). Solution:-
Q3) A mass of 3 kg moves horizontally along x axis under the action of a force depends on time , given as following: F(t)4N where t in seconds, a) Find the impulse of this force during the interval t= 0 to t-2 S, if the mass starts motion from rest at x-0 b) Find its velocity and position as function of time.
If a body of mass m falling from rest under the action of gravity encounters an air resistance proportional to the square of the velocity, then the body's velocity t sec into dv the fall satisfies the differential equation m- mg-kv, where k is a constant that depends on the body's aerodynamic properties and the density of the air. (Assume dt that the fall is short enough so that the variation in the air's density will not affect the outcome...
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1 = 1kg, c = 5N.s/m, k = 4 N/m F(t) = 2N And x'(0)=x(0)=0 Find the solution of this differential equation using Laplace transforms. F(t) 7m
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1...
For a mass-spring oscillator, Newton's second law implies that the position y(t) of the mass is governed by the second-order differential equation my'' (t) + by' (t) + ky(t) = 0. (a) Find the equation of motion for the vibrating spring with damping if m= 10 kg, b = 100 kg/sec, k = 260 kg/sec?. y(0) = 0.3 m, and y'(0) = -0.4 m/sec. (b) After how many seconds will the mass in part (a) first cross the equilibrium point?...
Problem 36 bclow presents a model describing the drag of a fluid medium that is released from rest at time t 0 (same initial conditions). Using Newton's Second Law, you build a model of the form particle moving through a (governing equation (initial velocity) mi mg-F drag '0 (0)(0)a (t) is the particle's position, m is the mass of the particle, g is the acceleration due to gravity, and Fa is the magnitude of the drag force. You account for...
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant (a) (b) (c) (d) Calculate the total energy expended in the acceleration. Plot a graph of the kinetic...
2. An object of 5 kg is released from rest 1000 meters above the ground level and allowed to fall under the influence of gravity. Assuming that the force due to air resistance is proportional to the velocity of the object with proportionality constant k = 50 kg/sec determine the formula for the velocity of the object 3. A rocket having an initial mass mo kg is launched vertically from the surface of the Earth. The rocket expels gas at...
GROUP PROBLEM-1 SAN FRANCISCO STATE UNIVERSITY Given: The 300-kg bar B, originally at rest, is towed over a series of small rollers. The motor M is drawing in the cable at a rate of v (0.4 t2) m/s, where t is in seconds. Find: Force in the ca ble and distance s whent 5s. Plan: Since both forces and velocity are involved, this problem requires both kinematics and the equation of motion. 1) Draw the free-body and kinetic diagrams of...
Most questions answered within 3 hours.
-
I need help with 12 and 13:
11 A company's stock has a beta of 1.63....
asked 6 minutes ago -
An Olympian aims his rifle horizontally toward the center of a
target 50 m away. If...
asked 15 minutes ago -
A cattleman is considering buying a herd of young cows for
$40,000. The cattleman estimates he...
asked 13 minutes ago -
Monochromatic light with λ = 630 nm (in vacuum) falls through
trough two slits in a...
asked 25 minutes ago -
Calculate the pH of each of the following given the molar
hydrogen ion concentration.
Part A...
asked 30 minutes ago -
A rocket takes off from Earth's surface, accelerating straight
up at 43.2 m/s2. Calculate the normal...
asked 32 minutes ago -
At
the milestone that defines telophase,the chromosomes ....
a) separate
b) come together
c) line up...
asked 46 minutes ago -
The text identifies six steps for minimizing product liability
risk in the product development process. The...
asked 45 minutes ago -
1,We can create a new text file with the following commands,
except: Group of answer choices...
asked 47 minutes ago -
High End Costume is all-equity financed and its stock has a
price to earnings ratio of...
asked 58 minutes ago -
A block of 2 kg of mass is attached to a horizontal spring. The
spring is...
asked 1 hour ago -
How are thermohaline currents tied to the atmosphere and how can
these currents affect climate variations...
asked 1 hour ago