A cyclist starts at rest and accelerates to a speed of 5ms-1 in 2 seconds. He then travels at a constant speed for 5 seconds before coming to a stop in 3 seconds. Calculate the acceleration of the cyclist during first part of the journey?

What is the relation between concentration of reactants and the rate of chemical reaction?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?