A pelican flies at a speed of 52 km/h for 0.25 hours. how many miles does the pelican travel? the conversion factor is 1.6 km/h = 1.0 mph

A child carries a 3N book at a constant velocity of 4 meters across a horizontal floor. What is the net work done? a) 0 J b) 7 J c) 10 J d) 12 J

A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. In five minutes of operation of the engine, the heat rejected by the engine melts 0.

A proton, mass 1.67 * 10-27 kg and charge + 1.6 * 10-19 c, moves in a circular orbit perpendicular to a uniform magnetic field of 0.90 t. find the time for the proton to make one complete circular orbit.

Why does a compass not respond when held near a wire carrying alternating current? a. The field changes direction 120 times a second, which is too fast for the compass needle to respond. b.

How does the frequency of a wave when the period of the wave is doubled?

What happens to particles when a substance gains energy and changes state?

The density of mercury is 13,600 kg/m³. Determine the mass of 10.0 cm³ of mercury.

A force of 250 N is applied to an object that accelerates at a rate of 10m/sec2. What is the mass of the object?

The grounded conductor and the grounding conductor are one and the same conductor and perform the same function.

Summarize Newton's First Law