A boy of mass 60 kg runs up a staircase of 50 steps in 10s. If height of each steps is 12 cm, find the power

When the temperature of an object increases, what happens to the kinetic energy of the particles in the object? A. It is conserved. B. It equals zero. C. It increases. D. It decreases.

An object moves in simple harmonic motion with amplitude 11m and period 4 minutes. At time t = 0 minutes, its displacement d from rest is - 11m, and initially, it moves in a positive direction.

Which of the following particles was discovered by Ernest Rutherford? a. neutron b. proton c. electron d. quark

A 2 kilogram bowling ball is 2.5 meters off the ground on a post when it falls just before it reaches the ground it is traveling 7 m/s assuming there is no air resistance which statement is true A the mechanical energy is not conserved B the initial

During a storm, a car traveling on a level horizontal road comes upon a bridge that has washed out. The driver must get to the other side, so he decides to try leap - ing the river with his car. The side of the road the car is on is 21.

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What would happen if water could not condense into the atmosphere

How did rutherford's experiment show that thomson's plum pudding model was incorrect?

A car accelerates from 30 m/s to 50 m/s in 2 seconds. Calculate the cars acceleration

What color of light has the shortest wavelength