The train traveled 500 kilometers north to Odessa in 2 hours. What's the train's speed? What is the velocity?

When buying a car, you tell the salesman that you want to make sure the car can go from 0 miles per hour to 60 miles per hour in 5 seconds. You are describing the car's

A blacksmith heats a 1.5 kg iron horseshoe to 500 C, containing 20 kg of water at 18 C then plunges it into a bucket What is the equilbrlum temperature? Express your answer using two significant figures.

What is the net force on a cart that is pulled to the right with 100 pounds of force and to the left with 30 pounds of force? A. The net force is 70 pounds to the right. B. The net force is 130 pounds. C. The net force is 70 pounds to the left. D.

What can you do to promote Americanism and love of our country?

The condenser a. Is a heat exchanger b. Is a device where air passing over it cools the refriger - ant and causes it to change into a high-temperature liquid c. Transfers heat from the refrigerant to the air flowing d. All of the above

You drop a ball from rest and simultaneously shoot a second, identical ball horizontally from the same height as the first ball. If there is no air resistance, which ball hits the ground first?

A stalled car is being pushed up a hill at constant velocity by three people. the net force on the car is

Oxygen gas having a volume of 1010 cm3 at 20.7°C and 1.04 x 105 Pa expands until its volume is 1570 cm3 and its pressure is 1.07 x 105 Pa. Find (a) the number of moles of oxygen present and (b) the final temperature of the sample.

Relative densities of two substance A and B are 2.5 and 0.9 respectively find the densities of A and B also find whether they will sink or float in water density of water is equal 2000 km metre cube

Which of the following is an acceptable description of the frequency of a transverse wave?