To demonstrate an elastic collision, a teacher places a tennis ball on the floor. she wants to hit the ball so that the following conditions are satisfied. 1. after collision, the tennis ball should roll with the velocity of the ball that hit it 2. at the instant of collision, the ball that hit the tennis ball should stop. what ball should she use? golf ball, tennis ball, basketball, or bowling ball?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect