A piece of plastic with a mass of 15 g is placed in a graduated cylinder. The water
level in the graduated cylinder rises from
30 mL to 55 mL when the plastic is added.
Find the density of the plastic.

What happens when a rubber rod is rubbed with a piece of fur?

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90

If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?