Mechanics | Relativity Answers

I go 6 blocks north, 3 blocks east, 2 blocks south, 4 blocks west, and finally, another 4 blocks south. What distance have I traveled? What is my total displacement?

The density of iron is 7.87g/ml. What is the mass of a 5.00cmx4.00cmx1.00cm block of iron?

I need a spring to move an object 10 inches in the air when activated. The spring needs to be 2 to 3 inches in diameter. The object will weigh 6 ounces. The object will roll in to a hole and contact the spring. How can I buy a spring with these specs? Thanks!

Obtain an expression for the time period of a satellite orbiting the earth

During baseball practice, a batter hits a very high fly ball and then runs in a straight line and catches it. Which had the greater displacement, the batter or the ball?

The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.50 m/s2 for 4.35 s, making straight skid marks 63.0 m long, all the way to the tree. With what speed does the car then strike the tree?

A 423.1-N force accelerates a go-cart and its driver from 11.3 m/s to 18.3 m/s in 5.01 s. What is the mass of the go-cart plus driver?

The brochure advertising a sports car states that the car can be moving at 100.0 km/h, and stop in 37.19 meters. What is its average acceleration during a stop from that velocity? Express your answer in m/s2. Consider the car's initial velocity to be a positive quantity.

A monkey driving a bananamobile spots a banana split 200 m ahead on the highway. The monkey uniformily decelerates for 5.0 s, stopping just in time to avoid squashing the banana split. Find (A) the initial velocity and (B) the acceleration of the bananamobile.

a group of bike riders took of 4.0 hour trip during the first 3.0 hours they traveled the total 50 km during the last hour they traveled 10 km what was the froup avarage speed?