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4. (6 pts) A constant force of 900 N acts on a spacecraft of mass 9000...
A force <30, 0, 0> N acts for 0.2 seconds on an object of mass 1.2...
A force <30, 0, 0> N acts for 0.2 seconds on an object of mass 1.2 kg whose initial velocity was <0, 25, 0> m/s. What is the new velocity? w = <5.15.0 > m/s Additional Materials Section 10.1
The force F = (-0.4, 0.800000000000001) N acts on a mass of 1.38 kg. At time...
The force F = (-0.4, 0.800000000000001) N acts on a mass of 1.38 kg. At time t = 0s, the mass has a velocity Vo = (0.24, 0.0600000000000001) m/s. In which quadrant (1-4) is the force? Submit Answer Tries 0/10 In which quadrant (1-4) is the initial velocity? Submit Answer Tries 0/10 What is the angle in degrees) of the force, measured counter-clockwise from the +x-axis? Submit Answer Tries 0/10 What is the angle (in degrees) of the initial velocity,...
A constant 12.0-N net force acts for 3.0 s on a 3.0-kg object. What is the...
A constant 12.0-N net force acts for 3.0 s on a 3.0-kg object. What is the object's change of velocity? 12 m/s 4 m/s 3 m/s 5 m/s
QUESTION 6 130 MARKS For a vibrating system, the body mass is 10 kg, stiffness is 2.5 kN/m, and damping constant is 45...
QUESTION 6 130 MARKS For a vibrating system, the body mass is 10 kg, stiffness is 2.5 kN/m, and damping constant is 45 Ns/m. A harmonic force of amplitude 180 N and frequency 3.5 Hz acts on the mass. If the initial displacement and velocity of the mass are 15 mm and 5 m/s, compute the complete solution representing the motion of the mass. 45 (30 Marks)
QUESTION 6 130 MARKS For a vibrating system, the body mass is 10...
Suppose you are navigating a spacecraft far from other objects. The mass of the spacecraft is...
Suppose you are navigating a spacecraft far from other objects.
The mass of the spacecraft is 3.2 × 104 kg (about 32
tons). The rocket engines are shut off, and you're coasting along
with a constant velocity of <0, 20, 0> km/s. As you pass the
location <4, 2, 0> km you briefly fire side thruster rockets,
so that your spacecraft experiences a net force of <9 ×
105, 0, 0> N for 20.0 s. The ejected gases have a...
A block of mass 1.8 kg is attached to a horizontal spring that has a force constant 900 N/m as shown in the figure below
A block of mass 1.8 kg is attached to a horizontal spring that has a force constant 900 N/m as shown in the figure below. The spring is compressed 2.0 cm and is then released from rest. (a) A constant friction force of 3.4 N retards the block's motion from the moment it is released. How much is the spring compressed when the speed of the block is a maximum. (b) What is the maximum speed?
When a constant force acts upon an object, the acceleration of the object varies inversely with...
When a constant force acts upon an object, the acceleration of the object varies inversely with its mass. When a certain constant force acts upon an object with a massive 26 kg the acceleration of the object is 3 m/s^2. This is the same force acts upon another object with mass is 39 kg what is the objects acceleration.
4. A constant 80-N force acts on a 5.0 kg box. The box initially is moving...
4. A constant 80-N force acts on a 5.0 kg box. The box initially is moving at 20 m/s in the direction of the force, and 3.0 s later the box is moving at 68 m/s. Determine both the work done by this force and the average power delivered by the force during the 3.0-s interval. Ans: W=11kJ, P= 3.5kW
A driving force of the form F(t) = (0.215 N) sin (2 ft) acts on a...
A driving force of the form F(t) = (0.215 N) sin (2 ft) acts on a weakly damped spring oscillator with mass 6.86 kg, spring constant 322 N/m, and damping constant 0.217 kg/s. What frequency of the driving force will maximize the response of the oscillator? frequency: Find the amplitude of the oscillator's steady-state motion when the driving force has this frequency amplitude:
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly...
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly damped spring oscillator with mass 6.98 kg, spring constant 362 N/m, and damping constant 0.261 kg/s. What frequency fo of the driving force will maximize the response of the oscillator? fo = Hz Find the amplitude Ao of the oscillator's steady-state motion when the driving force has this frequency Find the amplitude Ap of the oscillator's steady-state motion when the driving force has this...
A force <30, 0, 0> N acts for 0.2 seconds on an object of mass 1.2 kg whose initial velocity was <0, 25, 0> m/s. What is the new velocity? w = <5.15.0 > m/s Additional Materials Section 10.1
The force F = (-0.4, 0.800000000000001) N acts on a mass of 1.38 kg. At time t = 0s, the mass has a velocity Vo = (0.24, 0.0600000000000001) m/s. In which quadrant (1-4) is the force? Submit Answer Tries 0/10 In which quadrant (1-4) is the initial velocity? Submit Answer Tries 0/10 What is the angle in degrees) of the force, measured counter-clockwise from the +x-axis? Submit Answer Tries 0/10 What is the angle (in degrees) of the initial velocity,...
A constant 12.0-N net force acts for 3.0 s on a 3.0-kg object. What is the object's change of velocity? 12 m/s 4 m/s 3 m/s 5 m/s
QUESTION 6 130 MARKS For a vibrating system, the body mass is 10 kg, stiffness is 2.5 kN/m, and damping constant is 45 Ns/m. A harmonic force of amplitude 180 N and frequency 3.5 Hz acts on the mass. If the initial displacement and velocity of the mass are 15 mm and 5 m/s, compute the complete solution representing the motion of the mass. 45 (30 Marks)
QUESTION 6 130 MARKS For a vibrating system, the body mass is 10...
Suppose you are navigating a spacecraft far from other objects.
The mass of the spacecraft is 3.2 × 104 kg (about 32
tons). The rocket engines are shut off, and you're coasting along
with a constant velocity of <0, 20, 0> km/s. As you pass the
location <4, 2, 0> km you briefly fire side thruster rockets,
so that your spacecraft experiences a net force of <9 ×
105, 0, 0> N for 20.0 s. The ejected gases have a...
A driving force of the form F(t) = (0.215 N) sin (2 ft) acts on a weakly damped spring oscillator with mass 6.86 kg, spring constant 322 N/m, and damping constant 0.217 kg/s. What frequency of the driving force will maximize the response of the oscillator? frequency: Find the amplitude of the oscillator's steady-state motion when the driving force has this frequency amplitude:
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly damped spring oscillator with mass 6.98 kg, spring constant 362 N/m, and damping constant 0.261 kg/s. What frequency fo of the driving force will maximize the response of the oscillator? fo = Hz Find the amplitude Ao of the oscillator's steady-state motion when the driving force has this frequency Find the amplitude Ap of the oscillator's steady-state motion when the driving force has this...
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