John runs for 10 mins at a uniform speed 9kn/h. At what speed should he run for the next 20mins so that theaverage speed comes to 12km/h.

What force is required to accelerated a body with a mass of 15 kilograms at a rate of 8 m/s2

2 А That tennis ball is flying toward you-watch out! B. That tennis ball is-flying toward you watch out! C That tennis ball is flying toward you, watch out! D That tennis ball is---flying toward you-watch out!

A force of 9.00 newtons acts at an angle of 19.0° to the horizontal. What is its component in the horizontal direction?

Atomic physicists do not know why all of the atomic particles stay together within an atom

A 12 v automobile battery is connected to an electric starter motor. the current through the motor is 206 a. how much power does the motor dissipate

Which mixture can be separated based on differences in particle size of the components

What happens in an open circuit

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.

What is the density of a rock which has a mass of 35 grams and a volume of 7.0 cubic centimeters?

Which statement best describes the relative conductivity of semiconductors? a. They are the most conductive elements. b. They are the least conductive elements. c. They are more conductive than metals but less conductive than nonmetals. d.