Find how fast would you observe the rock to travel

Reference no: EM13527757

You are a construction worker standing still on 12th Ave N in Fargo, and you watch a minivan drive past at 25 mi/hr eastward. A kid in the back throws a ball at his brother in the front seat at 7 mi/hr.

A. How fast does the ball move, as observed by you? (Positive indicates east, negative indicates west.)

B. How fast does the ball move, according to the kid who threw it?

C. if instead the kid in the front seat throws a rock at the kid in the back seat at 7 mi/hr, how fast would you observe the rock to travel?

Reference no: EM13527757

Questions Cloud

What is the surface charge density on the second sphere : Two spheres with uniform surface charge density, first with a radius of 7.5cm and the second with a radius of 4.5cm , What is the surface charge density on the second sphere

Find the speed of the ball relative to train : A train is traveling at 29 m/s relative to the Earth in the positive x-direction. Find the speed of the ball relative to train

What is the velocity of the baseball relative to earth : A train is traveling with a speed of 16.0 m/s relative to Earth. What is the velocity of the baseball relative to Earth

Determine at what speed does the motorcycle land : Suppose a rocket-propelled motorcycle is fired from rest horizontally across a canyon 1.30 km wide. At what speed does the motorcycle land

Find how fast would you observe the rock to travel : You are a construction worker standing still on 12th Ave N in Fargo, and you watch a minivan drive past at 25 mi/hr eastward. how fast would you observe the rock to travel

Determine how far down river does it land : A boat with a speed of 10 m/s in still water, tries to cross a river with a current flow 2.0 m/s and is a 100 meeters wide. how far down river does it land

Find how far above the target is this point : If a bullet that leaves the muzzle of a gun at 299 m/s is to hit a target 81.0 m away at the level of the muzzle, How far above the target is this point

What is the maximum height of the cannonball : Assume you are a medieval knight attacking a castle with a cannon. The cannonball leaves the cannon with a speed of 35.3 m/s, What is the maximum height of the cannonball above the cannon's muzzle

How long does it take the crate to hit the ground : A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How long does it take the crate to hit the ground

User Account

All Pages