A parent swings a 11.5 kg

child in a circle of radius

0.711 m, making 12 revolutions

in 27.4 s. How much force does

the parent exert on the child?

(Unit = N)

When Jesus healed the paralyzed man what did he demonstrate he had power over

Water can exist in three states of matter. Imagine examining the changes of state from solid to liquid to gas by adding to ice. What would change or not change?

How strong is a tesla and how strong is a newton?

What is the momentum of a bowling ball with a mass of 8.9 and a speed of 6.0 m/s

What force could be applied to a box to make the net force in the horizontal direction of zero

A transparent film laminated to a fabric is identified in the study material as a. stretch fabric. b. PVC. c. a skin. d. two-faced fabric

Light from the sun travels through space to Earth's atmosphere. Which will light waves do when they move from empty space into matter made up of different gases? A. move at the same speed B. move faster as they transmit C. slow down and refract D.

A 12.5 kg box sliding on a frictionless flat surface tuns into a fixed spring which compresses at a distance x = 14.1 cm. the spring constant is 94.5 kN/m Find the initial speed of the box

An earth scientist who studies hydrosphere

In 1991 four English teenagers built an eletric car that could attain a speed of 30.0m/s. Suppose it takes 8.0s for this car to accelerate from 18.0m/s to 30.0m/s. What is the magnitude of the car's acceleration?