If a light ray strikes a flat mirror at an angle of 61 degrees above the mirrors surface, what is the angle of reflection in relation to the normal

Two window washers are on a scaffold. The scaffold weighs 70 lb, the man on the left weighs 180 lb, and the man on the right weighs 195 lb. The left support has a force of 310 lb in the cable. What is the force in the right cable?

How much energy would be needed to raise the temperature of 40 liters of water (about the total water volume in an adult man) 2 degrees celsius?

At a given moment in time, instantaneous speed can be thought of as the magnitude of instantaneous

Scientists observe natural events occurring around them. They question these observations and investigate them. True or false?

A giant squid is accelerating through the ocean at 0.5 m/s2. If the mass of the squid is 800 kg, what is the magnitude of the net force? A. 1600 N B. 80 N C. 800 N D. 400 N

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?