A 20 kg bike accelerates at 10 m/s2. With what force was the person pedaling if friction

exerted a force of 100N?

What is not an extrinsically motivated action

The masses of two metal blocks are measured. Block A has a mass of 8.45 g and Block B has a mass of 45.87 g.

2) If two locations have the same latitude and are on a coast, what factor determines the air temperature

Which part of the wave is changed when there is interference? A. the amplitude B. the crest C. the trough D. the wavelength

How do police use the principle of the Doppler effect? To transmit fingerprints from one precinct to the next To measure how much pollution is coming from your car To measure the speed of cars on the highway Police don't use this, only the weather

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Will you die if you eat wax?