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oh no

Faraday pail pattern...

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Can one please please interpret the shape or rathere a brief overview of the faraday pail, the point plane and the plane plane pattern and what the equipotential lines and the E-field lines means please?

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Your car is initially traveling at a speed of 25 m/s. As you approach an intersection, you spot a dog in the road 30 m ahead and immediately apply your brakes. a) If you stop the instant before reach the dog, what was the magnitude of your acceleration? b

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physics 211

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anonomus

its a lifesaver

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You have two pieces of different types of metal of the same mass. In a experiment, You take 500 ml of water in a beaker with a diameter of 75 mm at 20.0+/-0.05C in a well insulated container. The two masses are heated to 100C. Metal A is place in the water container. After waiting some time, You fin...

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A constant force of 400 N acts on a spacecraft of mass 8000 kg that has an initial velocity of 30m/s. How far has the spacecraft traveled when it reaches a velocity of 500 m/s?

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Distance

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Your car has a dead battery. It is initially at rest, and you push it along a level road with a force of 120 N and find that it reaches a velocity of 2.0 m/s in 50 seconds. What is the mass of the car? Ignore friction.

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solve for mass

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physics

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A child runs down a 13 hill and then suddenly jumps upward at a 13 angle above horizontal and lands ...

A child runs down a 13 hill and then suddenly jumps upward at a 13 angle above horizontal and lands 1.2 down the hill as measured along the hill.
What was the child's initial speed?
Express your answer using two significant figures.

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Physics flux 1

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Physics flux 2

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Physics flux 3

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Physics F 4

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General Physics

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In a cathode ray tube in an old TV, electrons are accelerated from rest with a constant aceleration ...

In a cathode ray tube in an old TV, electrons are accelerated from rest with a constant aceleration of magnitude 7.03x10^13 m/s^2 during the first 2.0cm of the tube's length; then they move at essentially constant velocity another 45 cm before hitting the screen.
a) find the speed of the electron whe...

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Resultant Vectors and Coordinate Systems

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This relates to Chapter 1 Problem 48 in which the graph with its information is used. How would I re...

This relates to Chapter 1 Problem 48 in which the graph with its information is used. How would I recalculate the resultant with a second coordinate system rotated 30 degrees Counter Clock wise? How about 100 degrees Clockwise?

Thanks for any help. I'll rate as soon as I get s...

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physic 2, electric field of a disk

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A circular conducting disc with radius 30 cm sides carries a net charge of 2 nC. The magnitude of th...

A circular conducting disc with radius 30 cm sides carries a net charge of 2 nC. The magnitude of the electric field just above the center of the disc is :

zero.
200 N/C.
400 N/C.
800 N/C.

will rate life saver for explanations

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acceleration/ 1D kinematics

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Ball bearings are made by letting spherical drops of molten metal fall inside a tall tower- called a...

Ball bearings are made by letting spherical drops of molten metal fall inside a tall tower- called a shot tower- and solidify as they fall.
a) if the bearing needs 3.7s to solidify enough for impact, how high must the tower be? ______m

b) What is the bearing's impact velocity? (Take up to be positive)
...

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1D kinematics /acceleration #6

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You are driving to the grocery store at 26m/s. You are 120m from an intersection when the traffic li...

You are driving to the grocery store at 26m/s. You are 120m from an intersection when the traffic light turns red. Assume that your reaction time is 0.50s and that your car brakes with constant acceleration.
a) how far are you from the intersection when you begin to apply the brakes?
______m
b) What ac...

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Featured Physics Questions

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