Julie is cycling at a speed of 3.4 meters/second. If the combined mass of the bicycle and Julie is 30 kilograms, what is the kinetic energy?

A.

1.7 * 102 joules

B.

1.5 * 102 joules

C.

2.0 * 102 joules

D.

2.2 * 102 joules

Under which conditions is a gas likely to experience the fewest intermolecular forces? A. At low pressure B. At high pressure C. At close distance D. In a small volume

What type of disorder is myasthenia gravis? A. Immune disorder B. Inflammatory disorder C. Structural disorder D. Infectious disorder

A person travels by car from one city to an - other. she drives for 26.7 min at 81.7 km/h, 12.1 min at 88.3 km/h, 50.8 min at 47.2 km/h, and spends 11.8 min along the way eating lunch and buying gas. determine the average speed of the trip.

What is conserved when two objects collide in a closed system? A. Acceleration B. Momentum C. Speed D. Velocity

A high-jump athlete leaves the ground, lifting his center of mass 1.8 m and crossing the bar with a horizontal velocity of 1.4 m/s. At what minimum speed must she leave the ground to accomplish this?

What is the acceleration of an electron that has moved between - 1.5V and 3.0V? Assume is began at rest.

The first hominine in the genus Homo was named Homo habilis because evidence indicates that members of the species used

Planets move around the sun in elliptical orbits. A. true B. false

A 113 kg man sits on the stern of a 6.3 m long boat. The prow of the boat touches the pier, but the boat isn't tied. The man notices his mistake, stands up and walks to the boat's prow, but by the time he reaches the prow, it's moved 3.

What os the term for the smallest bit into which chemical substance can be divided and still have the properties of that substance A : eletron B:molecule c:atom D:ion