Tyler's favourite number is 8642, and he tries to fit it into everything he does. If he wishes to do that much work by climbing stairs, how many stairs must he climb if each stair is an average of 18 cm tall and Tyler's mass is 64 kg?

Explain vector addition, triangle method and parallelogram method

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?