For a ball that is dropped from rest, what is its average velocity from t=1s to t=2s?

What is the function of the round third prong in a modern household electric plug?

A 0.05 kg weight is used to accelerate a cart. At t=1 second, the 0.5 kg cart is at x=0.5 m, at rest. At t=2.5 seconds, the cart is at 1.5 m, traveling at 1.3 ± 0.3 m/s.

Our sun has a low absolute magnitude compared to many other stars but appears very bright to us because of its relative closeness to Earth exetremly large size low luminosity

To halt the decline in biodiversity, we must do which of the following?

What happens to a visible light wave when you increase the frequency

Ceres is a dwarf planet located in the main asteroid belt.

Which solid is the best thermal insulator A. brass b. ice C. styrofoam D. copper

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?