How much mass is needed for a black hole?

A newspaper article states that toilet flushes waste about 7 gallons of water per flush. Why is this information most likely to be incorrect? a. newspapers do not generally give reliable information b.

What are two things people never eat before breakfast

2 76 Consider a household that uses 14,000 kWh of elec - (tricity per year and 3400 L of fuel oil during a heating sea - son. The average amount of Co2 produced is 3.2 kg/L of fuel oil and 0.70 kg/kWh of electricity.

1. What causes an object to be at rest? Describe why it might not truly be at rest.

what would you expect to happen to the acceleration if all friction were removed from the ramp, making the net force even higher than 600n

Water waves change direction when they encounter water of different depths and begin to move at different wave speeds. This is called A. reflection B. constructive interference C. the Doppler effect D. refraction

Along with an alpha particle what other product is produced in the alpha decay of americium-241

What does Newton's second law of motion say

Two sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00m-1, an angular frequency of ω=2.50s-1, and a period of 6.00 s, but one has a phase shift of an angle ϕ=π12rad.

Which season does the Southern Hemisphere experience when it is tilted toward the sun? A. winter B. summer C. spring D. autumn