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A motorist drives north for 36.0 minutes at 67.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km in 2.00 h.
a) What is his total displacement (km)?
b) What is his average velocity (km/h)?
Consider the system described in the example with m1 = 0.51 kg and m2 = 0.40 kg. If F is sufficiently large, it is clear that the block will accelerate to the right. Find the range of F that allows the system to remain at rest
A fireworks rocket is launched vertically upward at 40 m/s. At the peak of its trajectory, When does the second fragment reach the ground
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. how far (in kilometers) are you from the base of the arch
When a current flows in an aluminum wire of diameter 2.45 mm, the drift speed of the conduction electrons is 1.05 × 10-4 m/s. What is the electron current in the wire
q1. a 4.00-kg model rocket is launched expelling 54.9 g of burned fuel from its exhaust at a speed of 690 ms. what is
A car travelling at 25.0 {rm m/s} runs out of gas while travelling up a 22.0^circ slope. How far will the car go up the hill before it runs out of gas.
a dab of mud mass 0.1 kg and sitting 0.25 m from the center flies off a horizontal spinning wheel when the wheel takes
find out the z-component of the block's momentum after the kick.
A uniform disc of mass m and radius R is rigidly mounted coaxially with a lightweight disc of radius r = R/2, to a horizontal shaft, on which combination is free to rotate frictionless. Light strings are wound in opposite directions about the cyli..
A 130 horizontal beam is supported at each end. A 310 piano rests a quarter of the way from one end. What is the vertical force on each of the supports
An extremely light rod 1.00 m long has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. find the moment of inertia of the system about the fixed axis
A certain light source is found to emit radiation whose peak value has a frequency of 8.28 Ã- 1014 Hz. Find the temperature of the source
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