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RoseWind [281]
3 years ago
11

Two objects are placed 3 meters apart. If they were moved, at what distance would the NEW gravitational force be about 1/4 of th

e original value?
1.5 meters (1/2 the distance)
6 meters (twice the distance)
3/4 meters (1/4 the distance)
12 meters (4 times the distance)​
Physics
1 answer:
gayaneshka [121]3 years ago
3 0

Answer:

3/4

Explanation:

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Suppose you hit a steel nail with a 0.500-kg hammer, initially moving at 15.0 m/s and brought to rest in 2.80 mm. How much is th
katrin [286]

Complete Question

Suppose you hit a steel nail with a 0.500-kg hammer, initially moving at 15.0 m/s and brought to rest in 2.80 mm. How much is the nail compressed if it is 2.50 mm in diameter and 6.00-cm long.What Average force is excreted on the Nail

Answer:

F=2*10^{4}N

Explanation:

From the question we are told that:

Mass m=0.500kg

Initial Velocity V=15.0m/s

Distance x=2.80mm=>0.00280m

Diameter d=2.50mm=>0.00250m

Length l=6.00cm=>0.6m

Generally the equation for Force is mathematically given by

 F=\frac{mv^2}{2d}

 F=\frac{0.500*15^2}{2.80*10^{-3}}

 F=2*10^{4}N

6 0
3 years ago
Balanced or Unbalanced?
Galina-37 [17]

Unbalanced because if it is pushing then stopping, that means that it is unbalanced.

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Help i forgot to complete this worksheet
Naily [24]

just search up the answer/ definition to all of them, rephrase into own words, then do the same for examples.

6 0
3 years ago
Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, traveling at
Wewaii [24]

Answer:

θ=19.877⁰

Explanation:

Given data

Velocity Va=34.0 km/h

Velocity Va=100 km/h

To find

Angle θ

Solution  

We want the bird to fly with velocity Vb=100 km/h with an angle θ relative to the ground so that the bird fly due south relative to the ground.From figure which is attached we got

Sinθ=(Va/Vb)

Sinθ=(34.0/100)

θ=Sin⁻¹(34.0/100)

θ=19.877⁰

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What is motivation in your own world
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