A car moves at a speed of 20 km/h for 15 minutes and then at a speed of 60 km/h for next 15

minutes. Calculate the total distance covered by the car.

What is a benefit of increased physical fitness

What is the Atomic Theory?

Which layer confirms that this sample is soil rather than a mineral mixture? A) silt B) clay C) sand D) organic matter

According to the theory of plate tectonics, the lithosphere is separated into sections that are called tectonic plates. These plates move in different directions in response to the forces in Earth's mantle beneath them.

A car is being pulled by a tow truck. The net force on the car is 3000 N and it is being pulled with an acceleration of 2 m/s?. Calculate the mass of the car.

A ball of mass 200 g rolls along the ground at a speed of 5.2m/s. calculate the kinetic energy of the ball. Give answer to one decimal place.

A light bulb that is connected to a 120 V source drawers 1.7 A. What is the resistance of the light bulb? A. 14 B. 71 C. 200 D. 0.014 E. 0.0

Which of the following is an example of heat transfer through radiation? A. A pot of soup warming on a hot burner. B. A crayon melting on a hot sidewalk. C. Beach sand getting warmed by the sun. D. An egg getting cooked in a pot of boiling water.

Which of the following best describes each particle? A. Protons are negative, neutrons are neutral, and electrons are positive. B. Protons are neutral, neutrons are positive, and electrons are negative. C.

During World War II, both the Allied and Axis powers used propaganda to A. weaken public support for the war. B. downplay public opinion. C. manipulate the public through the use of humor. D. shape public support of the war