What is the element in group 13, period 3?

What is the SI unit used to express gravitational potential energy? A. Newton B. Kilowatt C. Horsepower D. Joule

What is a successful result of science? an experiment curiosity a discovery

Which of the following describes a strong base? A. A strong base fully dissociates. B. A strong base does not dissociate. C. A strong base contains OH + ions. D. A strong base partially dissociates.

A block of mass 9.5kg rests on a slope an angle of 23.0∘ relative to the horizontal. What is the size of the contact force normal to the slope, in Newtons? Use a gravitational acceleration value of g = 9.8m/s^2.

Waves transfer Question 10 options: energy matter density heat its not heat or density

A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s. As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s.

The power rating of a vacuum cleaner is 0.8 kilowatts. If you use the vacuum cleaner for 2.5 hours, how much energy does it use?

Which has more gravitational potential energy - - a cliff diver at the top of the cliff or a cliff diver at the bottom of the cliff?

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4