A photon of wavelength 0.99235 nm strikes a free electron that is initially at rest. the photon is scattered straight backward. what is the speed of the recoil electron after the collision?

How does friction affect basketball ad what is an example?

A 0.250 kg toy truck is rolling across the floor at a rate of 1.25 m/s. It is pushed by your sister with a force of 0.5 N over 2.2 s in the same direction of travel. What is its new velocity when she lets go to watch it?

A bus travelling at 60 m⁄s takes 10s to come to halt, its deceleration is equal to?

A friend claims that the faster you read, the more you remember. Use your knowledge of effortful processing and effective encoding strategies to refute your friend's claim.

Which of the following statements about the measurement of electrical quantities is correct? A. Electrical pressure is measured in units called watts. B. Resistance is measured in units called ohms. C. Current is measured in units called volts. D.

What has become an important alternative to Piagetian approaches?

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

What will a spring scale read for the weight of a 75.0-kg woman in an elevator that moves upward with constant speed of 5.8 m/s?

What's the definition of: • cellular respiration • photosynthesis

What are the steps that are important to take for your safety during an earthquake? a. stay away from walls and windows c. stay away from electrical and gas lines b. get under a desk or table d. all of the above