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fgiga [73]
3 years ago
11

The toy car is about 3 inches long is an example of a ?

Physics
1 answer:
balandron [24]3 years ago
8 0

Answer:

a quantitative observation because it includes numerical data

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500J

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A boy kicks a soccer ball, giving it an initial speed of 7.5m/s at an angle of 27° above the horizontal(=ground). How high will
Gelneren [198K]

When the initial speed given is 7.5m/s at an angle of 27° , ball will go

4.637 meters.

Assume no air opposition to the ball ;

Vertical component of ball is sin 27° =  0.453

0.453* 7.5 = 3.404 meters /sec

Time taken to reach ground is :

3.404 = -3.404+9.8*t

t= 6.808/9.8= 0.694 sec

Horizontal component is 7.5*cos27°= 6.682m/s

Distance = speed * time

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Horizontal distance it can cover in 0.694 sec is 4.637 meters

So range of ball is 4.637 meters.

Form of motion experienced by an object or particle that is projected near surface of the earth and moves along a curve is called Projectile motion. Three types of projectile motion are Horizontal projectile motion. Oblique projectile motion and Projectile motion on an inclined plane.

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3 0
1 year ago
What is a magnetic field’s shape?
Agata [3.3K]

Answer:

Magnets come in a variety of shapes and one of the more common is the horseshoe (U) magnet. The horseshoe magnet has north and south poles just like a bar magnet but the magnet is curved so the poles lie in the same plane. The magnetic lines of force flow from pole to pole just like in the bar magnet.

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3 years ago
What pattern is seen on the moon from earth?
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If you mean pattern designs it’s rocky bumpy and you can see the circle patterns

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2 years ago
A ball is thrown upwards. Neglecting air resistance, what initial upward speed does the ball need to remain in the air for a tot
melamori03 [73]

Answer:

H = 1/2 g t^2     time to reach top of trajectory

v = g t   time to reach top of trajectory when v is initial speed upwards

v = 5 g = 49 m/s      5 sec upwards and 5 sec downwards

5 0
2 years ago
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