A football is kicked at ground level with the speed of 32 m/s at an angle of 40 degrees to the horizontal. how much later does it hit the ground?

Why would Santa Ana weather conditions improve the performance of an experiment on electric charges? Conversely, why would a rainy day NOT be a good idea?

Which best explains why openness is important to the progress of science? It aids in the analysis of complicated numerical data. It aids in understanding technical papers in academic journals.

Nikola Tesla used rotating magnetic fields to generate, transmit, and use AC (alternating current). Today alternating current has replaced direct current in most situations. What is the advantage of using AC power over DC power?

Which best describes work? Select one of the options below as your answer: a. holding a pencil b. lifting a feather c. dropping a ball

Why is evaporation of water greater in summer?

If a force of 40 newtons moves a cart a distance of 9 meters, the work done is Nm. If the same force moves the same cart three times that distance, the work done is Nm. NextReset

What is the critical angle c for total internal reflection if the material is clear acrylic, with a refractive index of 1.5?

What is happening if energy input remains constant and voltage remains the same in a circuit, but the current decreases? A. The resistance has increased. B. The volts have decreased. C. The power has increased.

The velocity - time graph of a ball of mass 25g moving on road is as given below: (a) How much force does the road exert on the ball to bring it to rest? (b) What is the direction of the force exerted by the road?

A spring required a force of 5.0 n to compress it 0.1 m. How much work is required to stretch the spring 0.4 m?