### A 3.00-kg steel ball strikes a massive wall at 10.0 …

3-1-2016 · A 3.00-kg steel ball strikes a massive wall at 10.0 m/s at an angle of ϴ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ball?

### An athlete at the gym holds a 3.4 kg steel ball in his ...

4-3-2010 · An athlete at the gym holds a 3.4 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg. What is the magnitude of the torque about his shoulder if he holds his arm in each of the following ways? straight out to his side? (parallel) and 35 degrees below horizontal?

### A 3.60 kg steel ball strikes a wall with a speed of …

17-3-2008 · A 3.60 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.180 s, what is the average force exerted on the ball by the wall? x-component? y-component? I am totally stumped. I think I am just ...

### A steel ball of mass 0.500 kg is fastened to a ... - …

25-1-2016 · A steel ball of mass 0.500 kg is fastened to a cord that is 70.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 2.50 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find (a) the speed of the ball and (b) the ...

### A 3 kg steel ball strikes a wall with a speed of 10 …

26-12-2019 · A 3 kg steel ball strikes a wall with a speed of 10 m/s at an angle of 60{eq}\displaystyle ^o {/eq} with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.20 seconds, what is the average force exerted by the wall on the ball

### a crane drops a .3 kg steel ball onto a steel plate. …

Presumably the steel ball bounced and changed directions. The momentum change is therefore 0.3 kg*(4.5 + 4.2 kg.s) = 2.61 kg m/s Set that equal to the impulse (Force * time) and divide by the time interval to get the average force.

### Torque problem? | Physics Forums

16-10-2008 · An athlete at the gym holds a 2.2 kg steel ball in his hand. His arm is 74 cm long and has a mass of 4.0 kg. What is the magnitude of the torque about his shoulder if …

### An athlete at the gym holds a 4.0 kg steel ball in his ...

An athlete at the gym holds a 4.0 kg steel ball in his hand. His arm is 70 cm long and has a mass of 4.0 kg. 1) What is the magnitude of the torque about his shoulder if he holds his arm straight ...

### An athlete at the gym holds a 3.5kg steel ball in his …

24-6-2014 · I did the first part correctly, But I really need help the second part. Any help is really appreciated. An athlete at the gym holds a 3.5kg steel ball in his hand. His arm is 76cm long and has a mass of 4.2kg . Assume the center of mass of the arm is at the geometrical center of the arm. Part A What is the magnitude of the torque ...

### Solved: A 3.50-kg Steel Ball Strikes A Wall With A …

A 3.50-kg steel ball strikes a wall with a speed of 11.0 m/s at an angle of theta = 60.0 degree with the surface. It bounces off with the same speed and angle (see figure below).

### A 3.90-kg steel ball strikes a wall with a speed of …

16-12-2011 · A 3.90-kg steel ball strikes a wall with a speed of 13.0 m/s at an angle of θ = 60.0° with the surface. It bounces off with the same speed and angle (see figure below). If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ball? (Assume right and up are the positive directions.)

### 1. A 3.25 kg steel ball strikes a wall with a speed of …

If the ball is in contact with the wall . asked by Anonymous on October 21, 2012; physics. A 3.42-kg steel ball strikes a massive wall at 10.0 m/s at an angle of θ = 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle. If the ball is in contact with the wall for 0.170 s, what is the

### A 3.0 kg steel ball strikes a wall with a speed of 10 …

28-10-2013 · A 3.0 kg steel ball strikes a wall with a speed of 10 m/s at an angle of 60 degrees with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.2 s, what is the average force exerted on the ball by the wall? Physics at the University of Rhode Island, I cant figure it out and it is a ...

### Solved: A 3.80 Kg Steel Ball Strikes A Wall With A …

A 3.80 kg steel ball strikes a wall with a speed of 11.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ball?