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
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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
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Physic

09/15/18

A boy moves down a waterslide from a height of 10 m what is his velocity when he is the water at the bottom of the slide assume zero friction on the side
Did he do 19 meters or 12,10
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Physic

08/28/18

how long does it take for a boat moving at an average speed of 30.0 miles per hour to go 75 miles
That’s all i know 
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Physic

06/12/18

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

05/09/18

A projectile travels with a projectile speed of 200m/s at an angle of pie/4 radians to the horiztonal. calculate the x and y components of the speed.
I need help with this question
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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
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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?
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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
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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
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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!
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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
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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? 
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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?
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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
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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
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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
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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
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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
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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 .
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Physic

04/16/14

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

02/07/13

define pitch and what effect pitch
define pitch and what effect pitch
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Physic Physics

02/07/13

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