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A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x = 0 m, with an initial velocity of + 6.2 m/s and a constant acceleration due to the fan. The direction to the right is positive. The cart reaches a maximum position of x = + 15.8 m, where it begins to travel in the negative direction. Find the acceleration of the cart.
A train car with mass m1 = 556 kg is moving to the right with a speed of v1 = 8.6 m/s and collides with a second train car, What is the initial momentum of the first train car
Three masses are placed at different points along a meter stick of negligible mass: 0.09 kg at 0.98 m, 0.04 kg at 0.55 m, Where's the center of mass of the system
What will be the total horizontal distance traveled by the ball? What is the velocity of the ball (magnitude and direction) the instant before it hits the ground? That is what is its i-component? What is its j-component?
Illustrate what was the impact on Mosby's 2012 net income as a result of this fair value hedge of a firm commitment?
A series AC circuit contains a 159 ? resistor, a 360 mH inductor, a 2.4 µF capacitor, and a generator with maximum voltage of 240 V operating at 50 Hz. Calculate the inductive reactance
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 46 dB by an observer 10 km away. What is the average power generated by the horn
A tennis player places a 40 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.052 kg tennis ball horizontally with a velocity of 30.6 m/s toward the north. What will be the final velocity of the machine.
1)A crate of potatoes of mass 19.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.82 and μk = 0.29. Find the frictional force (magnitude and direction) on the crate if the crate is sliding d..
what horizontal force is required to move the crate. If the coefficient of kinetic friction between a 33 kg crate and the floor is 0.26, what horizontal force is required to move the crate at a steady speed across the floor? Which is 84 I just help..
Two identical freight cars roll without friction (one at 1 m/s, the other at 2 m/s) toward one another on a level track. They collide, couple, and roll away together with a combined momentum of.
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 22.7-m tall building, What is the angular acceleration of the drum
Description of Physics - Mechanics - Force, A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 200 N and is 3.00 m
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