Asquare metal plate 1.5m side and 1.2mm thick weighting 50n is to be lifted through a vertical gap at 25mm of infinite extent . the oil in air gap has a specific gravity of 95 percent and viscosity of 2.5n. s/m^2. if the metal plate is to be lifted at a constant speed of 0.1m/s find the force and power required.

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?