With what force will a car hit a tree if the car has a mass of 3000 kg and it is accelerating at a rate of 2 m/s2?

6000N

1500 N

1000 N

300 N

Find the half-life of a radioactive material if after 1 year 99.67% of the initial amount remains. (Round your answer to one decimal place.)

What mass of LP gas is necessary to heat 1.7 L of water from room temperature (25.0 ∘C) to boiling (100.0 ∘C) ? Assume that during heating, 16% of the heat emitted by the LP gas combustion goes to heat the water.

Objects A and B both start at rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the final speed of object A compared to that of object B?

Why is the term impulsive of force coined

A motor with a brush-and-commutator arrangement has a circular coil with radius 2.5cm and 150 turns of wire. The magnetic field has magnitude 0.060T and the coil rotates at 440rev/min.

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.

Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.

No physical processes have ever been demonstrated which provide a mechanism for the universe to assemble itself. True False

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

Which composition of water moves within a deep-water current?