Light is travelling through air reaches quartz at an angle of incidence of 35°. The index of refraction of quartz is 1.54. At what angle of refraction does the light travel into the quartz?

The cheetah is one of the fastest accelerating animals, for it can go from rest to 28.0 m/s in 5.20 s. If its mass is 100 kg, determine the average power developed by the cheetah during the acceleration phase of its motion.

Use the equation d = st, where d = distance, s = speed, and t = time. If you ride your bike at a speed of 5 m/s for 10 seconds, how far do you travel? A. 0.5 m B. 5 m C. 2 m C D. 50 m

Sally goes on a hike. The distance she walks compared to the amount of time she walks is shown on the graph. Which statement is not true? A. The longer Sally walks, the farther she travels. B. Sally does not walk from the 6th to the 7th hour. C.

The three major scales used to measure earthquakes are Mercalli Scale, Richter Scale and Magnitude Scale.

Identify statements true of Pangaea. Choose one or more: A. Rates of seafloor spreading in the Atlantic Ocean are compatible with what is known about the breakup of Pangaea. B.

Describing Acceleration Which statements describe acceleration? Check all that apply. Negative acceleration occurs when an object slows down in the positive direction.

A 900-kg giraffe runs across a field at a rate of 50 km/hr. What is the magnitude of its momentum? 18 km/hr

Compare and contrast the average kinetic energy of 0.5 L of coffee at 34ÁC,

A spring balance attempts to drag an object across a table, but the object does not move because of the force of friction acting on the body in an equal and opposite direction.

Is the sun abiotic or biotic