Men in the age of 18-34 years need to be able to run a marathon in 3 hours and 10 minutes to qualify for the Boston Marathon. How many seconds is this? Show your work.

Describing Changes of State How is temperature related to the physical change of a substance?

13. A solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0° with the horizontal. What is the speed of the sphere after it has rolled 3.

Which statement about one of Newton's laws of motion is incorrect? A) the total force on an object is calculated by multiplying it mass times its acceleration, B) An object is motion continues in motion unless acted upon by and outside force.

If radio waves cannot be reflected from the Sun, how can radar be used to find the distance from Earth to the Sun?

A vertical scale on a spring balance reads from 0 to 200 / rm{N}. The scale has a length of 10.0 / rm{cm} from the 0 to 200 / rm{N} reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.05 / rm{Hz}.

You push a friend sitting on a swing she has a mass of 50 kg and accelerates a rate of 4 m/s2 find the force you exerted

What must be true about tow objects if heat is flowing between them?

Will a 2 liter bottle of coke have a different density than a one liter bottle of coke?

A positive rod is placed to the left of sphere A, and the spheres are separated

Why do clothes often cling together after tumbling in a clothes dryer?