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I need help with a physics problem

A car starts from rest at point A and accelerates at the rate of 0.8 m/s2until it reaches a speed of 12 m/s.Itthen proceeds at 12 m/s until thebrakes are applied.It comes to restat point B, 42 m beyon

While standing on a bridge 18.0 m above the ground, you drop a stone from rest.

When the stone has fallen 3.10 m, you throw a second stone straight down. What minimal initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take th

Stumped on 2 AP Physics problems. Help!!

1. The summit of a mountain, 2088 m above base camp, is measured on a map to be 4578 m horizontally from the camp in a direction 32.4° west of north. Choose the x axis east, y axis north, and z axis u

What two numbers - when multiplied together - equal 10,000? Neither of the numbers can end in zero.

You need to factor 10000. Just divide it by 5 till you no longer can, then divide by 2 till you reach 0. After that, all you have to do is multiply all the 5s for the first number, and all the 2 for

Mass from velocity and newtons

A jet plane starts from rest on the runaway and accelerates for takeoff at 2.30 m/s^2 (=7.55 ft/s^2).It has two jet engines, each of which exerts a thrust of 1.40 x 10^5 N (= 15.7 tons).What is the we

Physics Question Help Please Quick 10 Points

Alan leaves Los Angeles at 8:00 a.m. to drive to San Francisco, 400 mi away. He travels at a steady 52 mph. Beth leaves Los Angeles at 9:00 a.m. and drives a steady 60 mph. Who gets there first and ho

Physics - Point cars meet

I want to know how to work this problem. Can you please show me the steps you used? Two hot rods start from rest at a distance of 500m apart. Both cars hit the gas at the same tim and drive towards e

Physics SI Unit Help

I need help answering this question: Fundemental Units The basic SI unit for force is the (newton) approximately _____. i filled in newton and i think thats right i just dont know what approximately

Please HELP me!!! Can u someone provide me with a step by step solution. I'll give 10 pts to best answer! Plea

Please HELP me!!! Can u someone provide me with a step by step solution. Ill give 10 pts to best answer! Please please please help An object is initially moving in the positive x direction and a con

Newtons? mathematics..

A bicycle pedal is pushed straight downwards by a foot with a 39 Newton force. The shaft of the pedal is 20 cm long. If the shaft is π/3radians past horizontal, what is the magnitude of the torque abo

How to increase induced emf

increase number of turns increase current increase strength of magnet? are these right? cheers-Number of turns and magnetic field strength .. correct. Increase current (from a generator) .. not appli

Simple Harmonic Motion ( Vertical Spring)

A spring with spring constant 150 N/m hangs from a ceiling.A 2.00 kg mass is attached to the end of the spring and released. a) How far below its unstretched position will the mass be in equilibrium?

Weight and mass question

A certain particle has a weight of 26.0 N at a point where the acceleration due to gravity is 9.80 m/s^2.(a) What are the weight and mass of the particle at a point where the acceleration due to gravi

Mirror Reflection Help!

I have no idea how to solve a problem like this, and my homework has several of them. Please help me figure this out! Problem: At what angle theta should the laser beam in the figure be aimed at the

Free-Falling Physics help!!!

1. A helicopter is ascending vertically with a speed of 6.50 m/s. At a height of 185 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the grou
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