a 500 kg car is accelerated from rest by a force of 2000 N for a displacement of 400m. what is the speed of the car at the end of 400 M?

Problem: If you place a container with hot water inside a container with cold water, what will happen to the thermal (heat) energy of water in both containers? Form a Hypothesis

Coherent light of frequency 6.34 x 10^14 Hz passes through two thin slits and falls on a screen 82.0 cm away. You observe that the third bright fringe occurs at ± 3.09 cm on either side of the central bright fringe.

What is necessary to accelerate a 70-kg object at a rate of 4.2m/s2?

Which type of friction is best described as the force between objects that are moving?

The fossil record suggests that the first animals to evolve lived A.) in the air B.) in swamps C.) on land D.) in the sea

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?