Compute the minimum length in meters and the point of need of guiderail to shield a...
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Compute the minimum length in meters and the point of need of
guiderail to shield a...
(1 point) A rod has length 5 meters. At a distance x meters from its left...
(1 point) A rod has length 5 meters. At a distance x meters from its left end, the density of the rod is given by S(x) = 1 + 3x g/m. (a) Complete the Riemann sum for the total mass of the rod (use Dx in place of Ax): mass = (b) Convert the Riemann sum to an integral and find the exact mass. OPP mass = (include units)
15. A point charge Q--400 nC and two unknown point charges, 41 and ?2, are placed...
15. A point charge Q--400 nC and two unknown point charges, 41 and ?2, are placed as shown (l point) Point charge q1 is located 1.3 meters along the +x-axis, point charge q, s located 0.7 meters down the -y-axis, and point charge Ois located 2.0 meters from the origin at an angle of 30° above the x-axis. At the origin, the three charges together create an electric field that has magnitude zero. What is the charge 91? 30° 0...
minimum of 3 significsnt figures please A thin rectangular plate is 6 meters long and 0.8...
minimum of 3 significsnt figures please
A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the...
(1 point) Suppose a pendulum with length L (meters) has angle 0 (radians) from the vertical. It can be shown that 0 as...
(1 point) Suppose a pendulum with length L (meters) has angle 0 (radians) from the vertical. It can be shown that 0 as a function of time satisfies the differential equation: d20 + -sin 0 = 0 dt2 L where g = 9.8 m/sec/sec is the acceleration due to gravity. For small values of 0 we can use the approximation sin(0) ~ 0, and with that substitution, the differential equation becomes linear A. Determine the equation of motion of a...
show all steps please (1 point) Suppose a pendulum with length L (meters) has angle 0...
show all steps please
(1 point) Suppose a pendulum with length L (meters) has angle 0 (radians) from the vertical. It can be shown that 0 as a function of time satisfies the differential equation: d20 +sin0 0 dt2 where g 9.8 m/sec/sec is the acceleration due to gravity. For small values of 0 we can use the approximation sin(0)~0, and with that substitution, the differential equation becomes linear. A. Determine the equation of motion of a pendulum with length...
We Part (a) [2 marks] The angular displacement of the rigid body ranges from θ =...
We
Part (a) [2 marks]
The angular displacement of the rigid body ranges from
θ = 0° (the vertical as shown in the figure) to θ
= 135° and can be modelled using simple harmonic motion. Assuming a
rate of 20 [reps/min], write down an expression for angular
displacement, θ [rad] as a function of time, t [s]. You may assume
that the motion starts with an angular displacement of 135°.
Hint: The angular displacement, θ can be expressed as...
1. A ferris wheel has a radius of 12 m. The center of the ferris wheel...
1. A ferris wheel has a radius of 12 m. The center of the ferris wheel is 14 m above the ground. When it is rotating at full speed the ferris wheel takes 10 s to make a full turn. We can track one seat on the ferris wheel. Let’s define t = 0 to be a time when that seat is at the top of the ferris wheel while the ferris wheel is rotating at full speed. (a) Write...
I need help correcting letter; c, and d Please circle your answers PHY 121 A rock...
I need help correcting letter; c, and d
Please circle your answers
PHY 121 A rock thrown from a tall building You are standing at the edge of a tall building yo meters above the ground. You throw a rock vertically upward with an initial speed of vo m/s. On the downward path the rock will fall all the way to the ground. Use g 10 m/sec. у,-150 v- 35 a) How long will t tke for the rock to...
We wish to determine the moment at the shoulder that is required to perform the arm...
We wish to determine the moment at the shoulder that is required to perform the arm motion (shoulder abduction) depicted in Figure 3 below. This motion may be modelled with a simple, single- element linkage system as shown in the figure. The shoulder joint is represented by a simple pin support centred at O. The arm and the carried weight are represented as a rigid body consisting of a rod and a cuboid. In the rigid body model, the length...
A right triangle has hypotenuse 13 cm and one side 7 cm. Find the length of...
A right triangle has hypotenuse 13 cm and one side 7 cm. Find the length of the other side, and the sine, cosine and tangent of each of the other two angles. A man running 4 m/s is passed by a car at 20 m/s, both heading East. What is the velocity of the man relative to the car? How far apart are the 20 seconds after the car passes the man? A ball is thrown vertically upwards from the...
(1 point) A rod has length 5 meters. At a distance x meters from its left end, the density of the rod is given by S(x) = 1 + 3x g/m. (a) Complete the Riemann sum for the total mass of the rod (use Dx in place of Ax): mass = (b) Convert the Riemann sum to an integral and find the exact mass. OPP mass = (include units)
15. A point charge Q--400 nC and two unknown point charges, 41 and ?2, are placed as shown (l point) Point charge q1 is located 1.3 meters along the +x-axis, point charge q, s located 0.7 meters down the -y-axis, and point charge Ois located 2.0 meters from the origin at an angle of 30° above the x-axis. At the origin, the three charges together create an electric field that has magnitude zero. What is the charge 91? 30° 0...
minimum of 3 significsnt figures please
A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the...
(1 point) Suppose a pendulum with length L (meters) has angle 0 (radians) from the vertical. It can be shown that 0 as a function of time satisfies the differential equation: d20 + -sin 0 = 0 dt2 L where g = 9.8 m/sec/sec is the acceleration due to gravity. For small values of 0 we can use the approximation sin(0) ~ 0, and with that substitution, the differential equation becomes linear A. Determine the equation of motion of a...
show all steps please
(1 point) Suppose a pendulum with length L (meters) has angle 0 (radians) from the vertical. It can be shown that 0 as a function of time satisfies the differential equation: d20 +sin0 0 dt2 where g 9.8 m/sec/sec is the acceleration due to gravity. For small values of 0 we can use the approximation sin(0)~0, and with that substitution, the differential equation becomes linear. A. Determine the equation of motion of a pendulum with length...
We
Part (a) [2 marks]
The angular displacement of the rigid body ranges from
θ = 0° (the vertical as shown in the figure) to θ
= 135° and can be modelled using simple harmonic motion. Assuming a
rate of 20 [reps/min], write down an expression for angular
displacement, θ [rad] as a function of time, t [s]. You may assume
that the motion starts with an angular displacement of 135°.
Hint: The angular displacement, θ can be expressed as...
I need help correcting letter; c, and d
Please circle your answers
PHY 121 A rock thrown from a tall building You are standing at the edge of a tall building yo meters above the ground. You throw a rock vertically upward with an initial speed of vo m/s. On the downward path the rock will fall all the way to the ground. Use g 10 m/sec. у,-150 v- 35 a) How long will t tke for the rock to...
We wish to determine the moment at the shoulder that is required to perform the arm motion (shoulder abduction) depicted in Figure 3 below. This motion may be modelled with a simple, single- element linkage system as shown in the figure. The shoulder joint is represented by a simple pin support centred at O. The arm and the carried weight are represented as a rigid body consisting of a rod and a cuboid. In the rigid body model, the length...
A right triangle has hypotenuse 13 cm and one side 7 cm. Find the length of the other side, and the sine, cosine and tangent of each of the other two angles. A man running 4 m/s is passed by a car at 20 m/s, both heading East. What is the velocity of the man relative to the car? How far apart are the 20 seconds after the car passes the man? A ball is thrown vertically upwards from the...
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