A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is

a toboggan loaded with vacationing students (total weight 1300 N) slides down a slope at 30 degrees and there is no friction. what is the acceleration of the toboggan?

True or False:A wind is a horizontal movement of air from an area of high pressure to an area of lower pressure.

Car enthusiasts often lower their cars closer to the ground as a matter of style. James wants to lower his car by replacing all four of his original coil springs with new ones offered as an option by the car manufacturer.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. What quantities belong in cells X and Y?

A shot-putter throws the shot with an initial speed of 15.5m/s at a 34 degree angle to the horizontal. calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.20m above the ground.

How many chromosomes will an elephant's sperm have?

Would the springs inside a bathroom scale be more compressed or less compressed if you weighed yourself in an elevator that was moving upward at constant velocity

tessa bought stock in a restaurant for $287.00 her stock is now worth $401.80 what is the percentage increase of the value of Tessa's stock?

Withholding Judgment on the mentally Ill is wise because It saves you from embarrassing yourself often people have disorders that don't affect you then you can try to understand what a person is experiencing all of the above

A 1200 W refrigerator, a 1500 W electric frying pan, and a 200 W lamp are plugged into the same outlet in a 15 A, 220 V circuit. (these devices are in parallel when plugged into the same socket.) What current (in A) is drawn by refrigerator?