What is the net force on a car if the force of friction is 15 N and the forward force due to the engine is 20 N?

A. 5 N backwards

B. 5 N forwards

C. 35 N backwards

D. 35 N forwards

A 5 N force is applied to a 3 kg ball to change its velocity from 9 m/s to 3 m/s. What is the impulse on the ball?

A scientist will (blank) his experiments to verify the results. A. Publish B. Repeat C. Observe D. Disregard

Liquefaction explaination

In a gas-powered lawnmower, the gasoline is converted from chemical energy into which other type of energy

Critics of Copernicus's heliocentric cosmos argued that, if Earth moves around the Sun, our Moon would get left behind.

The passing of heat through a material while the material itself stays in place. A. radiation B. conduction C. convection

What would result from under-coverage? A. a lack of accurate result B. an incorrect independent variable C. an experiment D. accurate result

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.

A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. If the pod has a radius of3.00 cm and negligible mass, what isthe mass of the frog?

What is the reasonable estimate for Lim g (x)