An electrical motor provides 0.50W of mechanical power. How much time will it take motor to lift a 0.1 kg mass at constant speed form to a shelf 2.0 m above the floor?

a. 0.25s

b. 0.40s

c. 1.0s

d. 4.0s

A golfer hit a golf ball with a force of 15 N and the ball traveled with an acceleration of 25 m/s/s. What is the mass of the golf ball?

The trait for flower color in a plant has red and white alleles. The red color is the dominant trait. What is the phenotypic ratio for a cross between plants with red (Rr) flowers and white (rr) flowers?

Which property of gold is a physical property? A. ability to bond B. reactivity C. ability to rust D. malleability

What are the largest - and smallest-known values of the mass, luminosity, surface temperature, and diameter of stars (roughly) ?

A skydiver is about to jump from an airplane that is 1,500 meters above the ground. The diver has a mass of 125 kg. What is the potential energy at this height? Show your work.

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.