At t = 19.8 seconds an object with mass 2.0 kg was observed to have a velocity of m/s. At t=20.02 seconds its velocity was m/s. What was the average (vector) net force acting on the object?

The wavelength of a wave is the distance between

Which of the following is a form of kinetic energy? O A. Sound energy O B. Electrical energy O C. Nuclear energy O D. Potential energy

When you like a food and you put something on it that makes it taste diffrent and you dont like it, why does it still taste like the nasty one when you eat the regular one?

The north pole of one magnet and thr south pole of another magnet will do what

An object experiences a force of 11.13N for a time period of 1.88s. what is the impulse on the object?

A gate in an irrigation canal is constructed in the form of a trapezoid 2 m wide at the bottom, 38 m wide at the top, and 2 m high. It is placed vertically in the canal so that the water just covers the gate.

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine

Why do you float in space

How does physical change affect the identity of a substance

A scientist pours grape juice on three identical white shirts He then uses three different cleaning products on the shirts and measures how clean they get what is the independent variable in this experiment