Shawn and his bike have a total mass of

52.9 kg. Shawn rides his bike 0.7 km in

13.2 min at a constant velocity.

The acceleration of gravity is 9.8 m/s

2

.

What is Shawn's kinetic energy?

Answer in units of J.

Starting from rest, a disk takes 8 revolutions to reach an angular velocity ω at constant angular acceleration. how many additional revolutions are required to reach an angular velocity of 3 ω?

If a ball with an original velocity of zero is dropped from a tall structure and it takes 7 seconds to hit the ground, what velocity does the ball have when it reaches the ground? A. 34.3 m/s B. 68.6 m/s C. 156.8 m/s D. 240.1 m/s

Which phenomenon causes an object to appear bent from above the surface of one medium to below the surface of another medium? A) diffraction B) dispersion C) reflection D) refraction

If a kestrel eats a mouse that eats grass the kestrel is a

An automobile with tires that have a radius of 0.260 m travels 76000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?

Which best describes the relationship between internal energy and thermal energy? Thermal energy is a measure of the internal energy of a substance. Internal energy is a measure of the thermal energy of a substance.

5. Consider two glasses, one filled with water and the other half-full, with the water in the two glasses being at the same temperature.

1. Why is the theory that all things are made up of atoms a theory and not a fact?

A 600 N astronaut travels to an asteroid where the gravitational force is one-hundredth that of Earth. What is the astronaut's weight on the asteroid?

The analysis of data leads to what