Which do you think would be warmer on a winter day when there is no wind a thick forest or a grassy field? explain your answer

When you throw a ball the work you do to accelerate it equals the kinetic energy the ball gains?

Why did the magnitude of the doppler shift increase as the velocity of the sound source increased?

The specific heat capacity of lead is 0.13 J/g-°C. How much heat (in J) is required to raise the temperature of of 91 g of lead from 22°C to 37°C?

1. The variable of social structure that lays the broadest framework of social location is a. race b. culture c. social class d. status

What is a factor in determining the average atomic mass of an element

Which of the following describes a physical change? A. Formation of a new substance caused by combining substances B. Water changing from liquid to gas through evaporation or boiling C. Formation of a new substance caused by application of heat

A wave seen at the ocean's shore is which kind of wave? A. Surface wave B. Transverse wave C. Latitudinal wave D. Longitudinal wave

The acceleration due to gravity is equal to second squared. (round to 2 significant digits)

In the diagram above (not to scale), Vx/y = 12.57 meters/second and Vy/z = 5.21 meters/second. What is the value of the resultant vector?

What are the Respiratory organs?