How much time will it take a roller skater to travel 300 m at a speed of 15m/s

Shannon decides to check the accuracy of her speedometer. She adjusts her speed to read exactly 70 mph on her speedometer and holds this steady, measuring the time between successive mile markers separated by exactly 1.00 mile.

What are the formulas for Kinetic energy and Potential energy?

What happens in this circuit if one of the light bulbs is unscrewed?

A sprinter ran a 100 meter dash in 12.5 seconds. What was his speed?'

The beam in a cathode ray tube is moved by an electric force. What did scientists infer about atoms from this experimental result? O A. Atoms are small particles that cannot be destroved or divided. O B. Atoms have a dense, positively charged center.

No force is necessary to

A boat has a mass of 4040 kg. Its engines generate a drive force of 4660 N due west, while the wind exerts a force of 880 N due east and the water exerts a resistive force of 1400 N due east. Take west to be the positive direction.

Define the word projectile

Which is not a property of an electromagnetic wave? O It is made of magnetic fields It travels at the speed of light O It is made of electrical fields It carries energy only through matter

Explain why your weight would be less in the moon than on earth even though your mass would not change. Use the law of universal gravitation in your explanation.