Which causes seismic waves?

A.

movements of the plates

B.

gravity in the mantle

C.

movements of the core

D.

convection in the mantle

You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally.

The fact that light travels at 300,000 km/s is a consequence of

Assume the acceleration of the object is a (t) = - 9.8 meters per second per second. (Neglect air resistance.

The gravitational force between Earth and the Sun is a two-way force. Both the planet and the Sun attract each other. However, Earth revolves around the Sun rather than the Sun revolving around Earth.

A small spotlight mounted in the bottom of a swimming pool that is 5.0 m deep emits light in all directions. On the surface of the pool, directly above the light, the area illuminated is a circle. Determine the maximum radius of this circle.

Yosemite Sam was sailing his ship at a speed of 67 m/s when suddenly a storm accelerated his boat at a rate of 5.4 m/s^2 over a time period of 55s. What was Sam's final velocity? What formula must be used?

When will the earths core overheat and explode from the pressure buildup?

Which is the correctly balanced equation for the reaction of rust, Fe2O3, and hydrochloric acid, HCl? Fe2O3 + HCl → FeCl3 + H2O Fe2O3 + 3 HCl → 2 FeCl3 + H2O Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O Fe2O3 + 3 HCl → 2 FeCl3 + 3 H2O

How many DNA strands could you fit into a milimeter

A screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw. calculate the ideal mechanical advantage.