50 J of work was performed in 20 seconds. how much power was used to do this task?

Which organelle is the power of the cell the site of cellar respiration

The energy of a sound wave is most closely related to the wave's (1) frequency (3) wavelength (2) amplitude (4) speed

What will an object weigh on the moon's surface if it weighs 190 n on earth's surface?

Predict which process listed below will lead to a decrease in the conductivity of the solution

A nurse counts 66 heartbeats in one minute. What is the period of the hearts oscillation? In minutes

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.

A friend says, "Stars produce energy by a fusion chain reaction of helium into hydrogen." Evaluate the validity of this statement. A) It is an valid statement. Stars produce energy by a fusion chain reaction of hydrogen into helium.

If the mass of a material is 42 grams and the volume of the material is 15 cm^3, what would the density of the material be? answer: Unit:

35. An object of mass m moving at speed v0 strikes an object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v0.