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Suppose a car starts from rest and completes a straight line, 1/4 mile (402 meter) race in 12.3 seconds. Assume the acceleration to be constant:
A. what was the final speedB. what was the accelerationC. What was the average speed through the first 5 secondsD. What was the average speed between 9 and 10 secondsE. How fast was the car going at the half way point in timeF. how far had the car gone by the half way point in timG. how long did it take for the car to travel half the distanceH. how fast was the car going at the half distance pointI. if the car can brake with an acceleration of -6.2 m/s^2, how far would it go in slowing from its top speed back to 5 m/s and how long would it take?
A person looks horizontally at the edge of a swimming pool. If its length is 5.00m, and the pool is filled to the surface, to what depth (in m) could observer see? For water is 1.33).
What torque must the fireman exert on the hose? That is, what is the rate of change of angular momentum of water.
approximately how far does it move while stopping? Express your answer to one significant figure and include the appropriate units.
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
The driver of a car wishes to pass a truck that is travelling at a constant speed of 20 meters per second. Initially, the car is also travelling at 20 meters per second and its front bumper is 24 meters behind truck's rear bumper.
A 3.60 long, 420 steel beams extends horizontally from the point where it has been bolted to the framework of the new building under construction. A 72.0 construction worker stands at the far end of the beam. What is the magnitude of torque about the..
Find out the magnitude and direction of the electric field at a distance.
Find out the magnitude of the acceleration of the electron. How large is the pulling force it the wagon is moving with a constant speed.
Charge Q = 17E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge. A) Find the potential difference VB - VA between the two points. B) Which point is at the higher potential? Type either "Po..
Establish angles subtended by the moon and the sun
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.
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