What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s²?
a. 23 n
b. 1.875 kg
c. 23 kg
d. 120 n

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.