A positive charge is moving across a room from south to north. A magnetic field runs from east to west. In what direction is the magnetic force on the moving positive charge?

toward the east

toward the west

toward the west

toward the ceiling

Why the shape of the earth is spherical

A graph of the motion of a pendulum shows that it swings from + 5 centimeters to - 5 centimeters for each cycle. What is the amplitude of the pendulum?

The ball launcher in a pinball machine has a spring that has a force constant of 1.15 N/cm (Fig. P5.71). The surface on which the ball moves is inclined 10.0° with respect to the horizontal. If the spring is initially compressed 5.

Decide which of newtons laws each situation shows. A grasshopper leaping into the air comes back down to the ground instead of continuing off into space. As you swim you move forward by pushing water back with your arms.

A person is pushing a fully loaded 21.60 kg wheelbarrow at constant velocity along a plank that makes an angle?=20.0∘ with the horizontal. The load is distributed such that the center of mass of the wheelbarrow is exactly halfway along its length L.

In 2013, renewable energy provided 10% of the total energy used in the united states, and wind energy accounted for 17.4% of the renewable energy used. what percent of the total energy used in the united states in 2011was wind energy?

Because of which of the following can you see different colors?

If a car goes at a speed of 80 kph in 10 seconds, what is the distance

An unknown material has a mass of 5.61 kg, and its temperature increases by 0.124°C when 1320 J of heat are added. What is the specific heat of the material? (Unit = J / (kg*C))

What is it called when your tv goes fuzzy?