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4 years ago

Which best explains what will happen if Sharilyn unscrews a bolt with a short handled wrench?

2 answers:

8 0

The last choice is the correct one. This is the reason that wrenches
have long handles.

If the bolt is really stuck or rusted on there, a person who is careful
and knows what he's doing will sometimes put one end of a 2-ft pipe
over the wrench-handle, and then push on the other end of the pipe.
Pushing on a point that's farther away from the bolt always makes it
easier to unscrew.

zepelin [54]4 years ago

8 0

The correct answer is D)

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A quantity y is to be determined from the equation y=(px)/q^2

ki77a [65]

Answer:

heya answer option b

Explanation:

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3 years ago

Energy is the energy an object has because it is in motion. *

Mrrafil [7]

The energy an object has due to its motion is called kinetic energy.

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2 years ago

Calculate the Force of Gravity acting on an object that has a mass of 1.3 kg. The object is on Earth so use 9.8m/s2 for the acce

sweet-ann [11.9K]

To calculate the gravitational force acting on an object given the mass and the acceleration due to gravity, use the following formula.

Fg = m • g
Fg = 1.3 kg • 9.8 m/s^2
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The solution is C. 12.7 N.

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3 years ago

19. A mass of gas has a volume of 4 m3, a temperature of 290 K, and an absolute pressure of 475 kPa. When the gas is allowed to

Aleks [24]

Recall this gas law:

$\frac{P₁V₁}{T₁}$ = $\frac{P₂V}{T₂}$

P₁ and P₂ are the initial and final pressures.

V₁ and V₂ are the initial and final volumes.

T₁ and T₂ are the initial and final temperatures.

Given values:

P₁ = 475kPa

V₁ = 4m³, V₂ = 6.5m³

T₁ = 290K, T₂ = 277K

Substitute the terms in the equation with the given values and solve for Pf:

$\frac{475*4}{290} = \frac{P₂*6.5}{277}$

8 0

3 years ago

A baseball pitcher throws a ball at 40 ms^-1. if the acceleration is approximately constant over a distance of 2 m, how large is

Reil [10]

We have the equation of motion $v^2=u^2+2as$ , where v i the final velocity, u is the initial velocity, a is the acceleration and s is the displacement

Here final velocity, v = 40m/s

Initial velocity, u = 0 m/s

Displacement s = 2 m

Substituting $40^2=0^2+2*a*2\\ \\ a=400m/s^2$

So the baseball pitcher accelerates at 400m/ $s^2$ to release a ball at 40 m/s.

4 0

3 years ago