how much chemical energy must be supplied to a car engine if we want it to produce 5000J of kinetic energy and it is 45% efficient

Basic explanation of the scientific method

The KE of a body becomes 2 times of its original value then the new momentum will be more than its initial momentum by

What is being transferred with a wave? A: Matter B: Medium C: Energy D: Water

A vector has a length of 10 and rises at an angle of 40°. What is the y-component of this vector? X SA SERE

Doubling an objects speed will have what effect on its potential energy due to gravity

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.