A 0.05 kg tennis ball moves at a speed of 10 m/s and is struck by a racket causing it to rebound in the

opposite direction at a speed 16 m/s. What is the impulse exerted on the ball?

Competition for resources drives this process. Cloning Asexual reproduction Natural selection Genetic mutation

Which has a larger resistance, a 60 W lightbulb or a 100 W lightbulb? Which has a larger resistance, a 60 W lightbulb or a 100 W lightbulb? There's not enough information to tell. The 100 W bulb. The 60 W bulb. Their resistances are the same.

Patient B came to the clinic complaining of numbness and tingling in his right foot. He described the pain as feeling like pins and needles. There is no swelling, bruising, or redness.

What is also called compression waves

If the intensity level at distance d of one trombone is 70 db, what is the intensity level of 76 identical trombones, all at distance d?

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.

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What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

You then decide to throw another disc to your friend in the tree for fun. If you throw the disc at a speed of 10 m/s and your friend catches it 5.0 m above you, what was the speed of the disc just before your friend catches it