In a reaction with water, a base will accept a proton from the water; therefore, the water must be acting as an acid.

True or False

G a person of mass 100 kg is riding an elevator which was initially moving up with a velocity of 3 m/s. over a distance of 4 m the elevator slows down to 1 m/s. find the "apparent" mass of the person during that time (as the elevator slows down).

Which term is used to describe the variety of inheritable traits in a species? (I know its not A) Ecosystem diversity Genetic diversity Natural selection Species diversity

7. An object has 25 J of kinetic energy and 15 J of potential energy. Work is done on the object leaving it with 25 J of kinetic energy and 30 J of potential energy. How much work is done on the object?

When one object pushes or pulls another object the first object is

Find the work done after the chair moved 4.40m along the ramp

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?