The fire alarm goes off, and a 97-kg firefighter slides down a pole with a constant acceleration of 4.2 m/s^2. What is the upward force exerted by the pole on the firefighter?

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c