In what way does a temporary magnet provide an advantage over a permanent magnet?

In order to merge into highway traffic, a car accelerates along a 100.0 m on ramp from rest to 25.0 m/s. How much time does this take?

If the velocity of a sound wave is 330 m/s, what is the frequency of a wave which has a wavelength of 33 cm?

Who is known as the father of chemistry because he first organized all known elements into four different groups

What is the speed of light in quartz

If element X has 39 protons, how many electrons does it have?

What is the darkest side of the moon called?

Brian is a healthy young man. He has been training with his teammates for a 50-yard dash for months. However, even with practice, he cannot run fast enough to qualify. What is the most likely reason that Brian can't qualify?

1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? 2. Should car companies be required to produce electric cars?

How far will a ball travel that goes 35 meters per second for 18 seconds?

a 5.00 kg ball accelerates at a rate of 2.00 m/s squared for 1.50 seconds. calculate the balls momentum after the acceleration