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A 2.10 X 10^3 kg car starts from rest at the top of a 5.0 mlong driveway that is sloped at 20 degrees with the horizontal. Ifan average friction force of 4.0 X 10^3 N impedes the motion, find the speed of the car at the bottom of the driveway.
The speed of object at displacement x = 20 m. The change in the momentum of the object at it is displaced from x = 12 to x = 20 m.
A fisherman fishing from its highest to its lowest point. What is the speed of the waves going past the pier
A 2.00 syringe has an inner diameter of 5.00, a needle inner diameter of 0.270, and a plunger pad diameter (where you place your finger) of 1.20. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100. Suppose the ..
A solid aluminum ingot weighs 92 N in air. What is its volume?
Objects with masses of 295 kg and a 595 kg are separated by 0.300 m. Find the net gravitational force exerted by these objects
A mass-spring system with a natural frequency of 3.7 Hz is started in motion with an initial displacement from equilibrium of 5.5 cm, What is the amplitude of the resulting motion
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal and drawn out into a long fiber. what is the length of the fiber
A sound source emits sounds of frequency 210 Hz that travel through still air at 340 m/s. This sound source moves with a speed of 75 m/s relative to still air toward a stationary listener.
A sailor strikes the side of his ship just below the waterline. He hears the echo of the sound reflected from the ocean floor directly below 1.6 s later. How deep is the ocean at this point
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air? How far will it travel horizontally during this time?
An automobile has a mass 2100 kg and a velocity of 17 m/s. Find the impulse (magnitude and direction) that acts on the skidding cars from just after the collision until they come to a halt
When a guitar string is sounded along with a 439 Hz tuning fork, a beat frequency of 2.00 Hz is heard. What is the frequency of the string
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