A child on a spinning ride at a playground has a centripetal acceleration of 0.80 m/s2. The child completes a full circle every 4.2 s.

How far from the center of the ride is the child?

0.068 m

0.085 m

0.27 m

0.36 m

What type of conversations is taking place when natural gas is used to heat water

What is the mass of a white dwarf star compare to the sun?

Which is an example of making a quantitative observation? a. measuring the mass of metal used in a reaction b. recording the color of a solid formed in a reaction c. describing a liquid as having a slippery feel d.

When energy is produced in a reaction it A. is newly created energy B. is from the energy in the reactants C. increases the total amount of energy in the universe

A dog (mass 12.3 kg) sits on a sled (mass 5.1 kg) that is being pushed with a force of 33 N on a flat snowy surface. If the acceleration of both is 1.5 m/s2, what is the coefficient of kinetic friction for the sled sliding on the snow?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast

What are the strengths and limitations of the doppler method?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?