Other Physics Answers

1. A jogger runs 224 meters eastward, then 156 meters westward, then 84 meters eastward, and finally 248 meters westward.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

2. A bowling ball moves 15 meters northward, 12 meters southward, then 27 meters northward, and finally 5 meters southward.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

1. A billiard ball moves 18 meters southward, then 12 meters northward, and finally 8 meters southward.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

2. A horse gallops 36 meters eastward, then 44 meters westward, and finally 22 meters eastward.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

3. A car travels 20 meters north, 15 meters south and finally 45 meters north

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

1. A dog walks 12 meters to the north and then 16 meters back to the south.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

2. A lady shopper walks eastward 3.2 meters and then westward 7.2 meters.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

3. A basketball player runs 2.5 meters northward and then back pedals 6.8 meters southward.

For this motion, what is the distance moved? _________________

What is the magnitude and direction of the displacement? _________________

Problem 1: A soccer ball is kicked horizontally off a 22.0-meter high hill and lands a distance of 35.0 meters from the edge of the hill. Determine the initial horizontal velocity of the soccer ball. 

Problem 2: A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the long-jumper.

A 5.0 kg bucket of water is raised from a well by a rope. If the upward accelaration of the bucket is 3.0m/s2 find the force exerted by the rope on the bucket

A concave mirror has a radius of curvature of 40.5 cm and is positioned at a distance such that the upright image of a person's face is 1.5 times the size of his face. How far is the mirror from the person's face?

Sir Albert Einstein describes light as;

In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 6.30 x 10¹⁸ Hz. What is the wavelength in vacuum of these X-rays?

If the lever arm of a screw is 18 inches long and the pitch of the threads is 0.125 inch, how much weight will the jack lift if 50 pounds of force is applied at the end of the lever arm ignoring friction?

How much pull (F) would it take on the block and tackle rope to lift a 545 pounds engine?