In the 2008 Olympics, Jamaican sprinter usain's bolt average shocked the world as he ran the 100 - meter dash in 9.69 seconds. Determine usain's average speed for the race.

A light string is wrapped around the edge of the smaller disk, and a 1.50 kg block is suspended from the free end of the string. If the block is released from rest at a distance of 2.

Which of the following statements about peer pressure is NOT accurate?

Which of the following is a heterogeneous mixture? A. Italian Dressing B. ice cream C. Kool-aid D. Paint

How you can speed up the dissolving process when preparing juice from frozen concentrate

The magnetic field over a certain range is given by B~ = Bx ˆı + By ˆ, where Bx = 2 T and By = 4 T. An electron moves into the field with a velocity ~v = vx ˆı+vy ˆ +vz ˆk, where vx = 2 m/s, vy = 6 m/s and vz = 8 m/s.

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false