23 Answered Questions for the topic Physic

Physic Forces Momentum

01/22/21

#### Physics Question on Force

Hello, if someone may solve all this please with the steps on each problem that would be great. I'm having problems figuring this out. URGENT
Physic Science

11/01/19

#### physics homework help needed

The shape of the earth's orbit around the sun is essentially a circle. Assuming the earth maintains a constant speed as it orbits around the sun, which statement about the earth's motion is most... more
Physic

06/12/18

#### Physic question

A bowling ball traveling at the same constant speed is which one of newtons three laws?
Physic Physics

04/05/18

#### A 2.5 g steel ball moving 0.40 m/s collides elastically with a stationary, identical ball.

A 2.5 g steel ball moving 0.40 m/s collides elastically with a stationary, identical ball. As a result,the incident ball is deflected 30.00from its initial path (remember the 900rule for same... more
Physic

02/28/18

#### A boy is swinging on the end of a rope 8.0 m long above a water hole. At the lowest point, the boy is 0.70m above the water.

At the highest point,the boy is 1.9 m above the water.wh is the boy's speed at the lowest point of his swing?
Physic

02/01/18

#### amplitude of oscillation

a block of mass m is attached to an ideal spring with spring constant k. The block is at rest at the equilibrium position when a force is quickly applied to the block that gives it an initial speed... more
Physic

12/06/17

#### The density of aluminum is 16.4 grams per cm^3 what is the mass of 128.5 gallons of aluminum

The density of aluminum is 16.4 grams per cm^3 what is the mass of 128.5 gallons of aluminum   And   If a car is accelerating at a speed of 3.0m/s how will it take starting from rest to exceed... more
Physic Decibel Scale

03/14/17

#### Calculate the apparent frequency heard by a person if a car traveling at 110km/h emits a sound with frequency 450 Hz.

Assume that the car is moving: a) away from the listenEd. Ans.413 Hz b) toward the listener. Ans.494 Hz   ps. How can I get the answer? Thx!

03/10/17

#### On aCartesianco-ordinatesystem.2identicalsmallspeakers,at(X =-3m, Y=8m), (X=3m, Y=-8m).Frequency85Hz.flywalked alongx-axisfrom x=-100m-x=100m.Howmany local max?

Spider laid her large plane web on a Cartesian co-ordinate system.She located 2 identical small speakers,at (X =-3m, Y=8m), (X=3m, Y=-8m).She drove both speakers with the same electrical... more
Physic

02/07/16

#### The velocity of an object refers to the rate at which the object's position changes

Is it true or false?
Physic Math

08/03/15

#### A jet travels 3860mi against a jetstream in 5 hours and 4610mi with the jetstream in the same amount of time.

A jet travels 3860mi against a jetstream in 5 hours and 4610mi with the jetstream in the same amount of time. What is the rate of the jet in still air and what is the rate of the jetstream?
Physic

01/25/15

#### A body of mass 2kg is placed on another body of mass 4kg which is on top of a table. coefficient of friction between the body 2kg and 4kg is 0.2 and that of bod

A body of mass 2kg is placed on another body of mass 4kg which is on top of a table. coefficient of friction between the body 2kg and 4kg is 0.2 and that of body 4kg and  surface of table  is 0.1... more
Physic

10/16/14

#### A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it?

A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it?Ans : Since car moving at speed 40km/h with mass =... more
Physic Physics

09/21/14

#### The sum , difference and cross product of two vector A and B are mutually perpendicular if A and B are perpendicular to each other and |A| = |B| This is rig

The sum , difference and cross product of two vector A and B are mutually perpendicular if    A and B are perpendicular to each other and |A| = |B|    This is right or wrong ?   If wrong then... more
Physic Kinematics

08/18/14

#### A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of

A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of 200m/s . What distance will it travel... more
Physic Kinematics

08/18/14

#### A lead ball is droped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bot

A lead ball is dropped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bottom . It reaches the bottom 5 second... more

07/29/14

#### A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball take to reach ground level

A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball takes to reach ground level .
Physic

04/16/14

#### when object is in motion

Rotation of earth is motion or revolution is motion !what is definition of motion?
Physic Physics

02/07/13

#### define pitch and what effect pitch

define pitch and what effect pitch
Physic Physics

02/07/13

#### Distinguish between loudness and intensity of sound.

Distinguish between loudness and intensity of sound.

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