Physics, 23.07.2019 07:10 spazzinchicago

A0.023 kg golf ball moving at 18.9 m/s crashes through the window of a house in 5.4 × 10−4 s. after the crash, the ball contin- ues in the same direction with a speed of 10.1 m/s. assuming the force exerted on the ball by the window was constant, what was the mag- nitude of this force? answer in units of n.

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 05:30

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Answers: 2

Answer

Physics, 22.06.2019 07:00

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

Answers: 1

Answer

Physics, 22.06.2019 09:40

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.

Answers: 1

Answer

Physics, 22.06.2019 22:20

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

Answers: 1

Answer

You know the right answer?

A0.023 kg golf ball moving at 18.9 m/s crashes through the window of a house in 5.4 × 10−4 s. after...

Questions