How far can light travel in one year?

a. 10 trillion km

b. 300,000 km

c. 30 million km

d. 100 billion km

Time Intervals in Ice Ages

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge? 3.7 * 10-5 C 4.1 * 10-5 C 8.8 * 10-5 C 1.

What causes wind how does the process reverse itself between day and night?

mymathlab A diving pool that is 8 m deep and full of water has a viewing window on one of its vertical walls. Find the force on a window that is a%E2%80%8B circle, with a radius of 2m, tangent to the bottom of the pool.

You throw a baseball horizontally, and Jill catches it. Neglect air resistance. The energy transformation that occurs during the catch is A) kinetic E ⇒ chemical E. B) kinetic E ⇒ thermal E. C) chemical E ⇒ kinetic E. D) thermal E ⇒ kinetic E.

8. A gas is contained in a horizontal piston-cylinder apparatus at a pressure of 350 kPa and a volume of 0.02 m3. Determine the work done by the piston on the gas if the cylinder volume is increased to 0.15 m3 through heating.

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.

The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...