The rocket that carried the curiosity rover to mars traveled at a speed of 21,000 miles per hour. what is this speed to the nearest mile per second?
a 6 miles per second
b 350 miles per second
c 1,260,000 miles per second
d 75,600,000 miles per second

Using software, a simulation of a javelin being thrown both on earth and on the moon is created. in both cases, the velocity and angle of projection are kept the same. on earth, the javelin covers a distance y. what distance would it cover on the moon? (the moon’s gravity is about 1/6th that of earth.) a. 6y b. 6/y c. y/6 d. (y+6)2

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?