What is the acceleration of a car that goes from zero to 40 m/s in 20 seconds

A child in a boat throws a 5.3 kg package out horizontally with a speed of 10.0m/s. calculate the velocity of the boat immediately after assuming it was initially at rest. The mass of the child is 24kg and the mass of the boat is 35kg

What is the Doppler effect in sound waves? A. When an object is moving perpendicular to the direction of sound waves they compress. B. Where an object's motion causes sound waves to be compressed or rarified. C.

An organic compound was found to contain only C, H, and Cl. When a 1.50-g sample of the compound was completely combusted in air, 3.52 g of CO was formed. In a separate experiment the chlorine in a 1.00-g sample of the compound was converted to 1.

Atoms seldom exist as independent particles in nature because

What does newtons second law of motion state about an objects acceleration

Sara, who weighs 66 kg, is on a guilt trip after eating a 788-Calorie (788 kcal) breakfast of pancakes loaded with fruits, cream, and syrup. She decides to work out before going to her weekly weight-watchers' meeting.

Can you get sunburned through glass?

Which statement about a signal transduction pathway is true? a. A signal transduction pathway provides a means for a signal molecule to pass through the cell membrane and initiate a chain of events inside the cell. b.

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be A. greater than the force of friction exerted upon the car. B. less than the force of friction exerted upon the car. C.

Tom stops using a new skin cream for five days to determine if the cream is the cause of a recent rash. What stage of the scientific method is Tom using?