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never [62]
3 years ago
14

True or False: Newton's Second Law of Motion states acceleration depends on the objects mass and on the force acting on the obje

ct.
Physics
1 answer:
natulia [17]3 years ago
8 0

That is true, i think.

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class 7 Physics answera plot measuring 2 km in length and 1 by 2 km in breadth has area of how many hectare ​
motikmotik

Answer:

Area of plot in hectare = 100 hectare

Explanation:

Given;

Length of plot = 2 km

Width of plot = 1/2 km = 0.5 km

Find:

Area of plot in hectare

Computation:

Area of plot = Length x width

Area of plot = 2 x 0.5

Area of plot = 1 square kilometer

1 square kilometer = 100 hectare

Area of plot in hectare = 1 x 100

Area of plot in hectare = 100 hectare

7 0
3 years ago
As a consequence of Republicans’ highly irresponsible game of chicken with the debt ceiling, it’s looking increasingly like Demo
Alexxx [7]

HELP ME PLEASE

Silently he crept through jagged thornbushes. Bare feet moved swiftly over hot, arid soil to the edge of a waterhole where the kudu was drinking. The great animal suddenly looked up, spiral horns curving sharply into the endless African sky. Nsue did not reach for his pouch of poisoned arrows. He had no heart for killing. This would not be the day he would change his childish boyhood name.

How does paragraph 1 contribute to Nsue’s development?

A.  

It establishes Nsue’s disappointment at not finding a suitable animal to bring to the feast.

B.  

It establishes Nsue’s apprehension of participating in the Festival of the New Moon.

C.  

It establishes Nsue’s desire to become a great storyteller like Gao, the Old One.

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It establishes Nsue’s motivation to find something to take to the feast.

7 0
3 years ago
The spring in the muzzle of a child's spring gun has a spring constant of 730 N/m. To shoot a ball from the gun, first the sprin
Korolek [52]

Answer:

a. V=11.84 m/s

b.x=0.052m

Explanation:

a).

Given

K=730 N/m,m=0.053kg, h=1.90m.

v_f^2=v_i^2+2*g*h

v_i^2=2*g*h=2*9.8m/s^2*1.9m

v_i=\sqrt{2*9.8m/s^2*1.9m}=\sqrt{37.24 m^2/s^2}

v_i=6.1 m/s

v_i=V*sin(31)

V=\frac{v_i}{sin(31)}=\frac{6.1m/s}{sin(31)}

V=11.84 m/s

b).

K_k=\frac{1}{2}*K*x^2

No friction on the ball so:

x^2=\frac{2*K_k}{K}

x=\sqrt{\frac{2*0.053kg*9.8m/s^2*1.9m}{730N/m}}

x=\sqrt{2.7x10^{-3}m^2}=0.052m

5 0
3 years ago
A person carries a mass of 10 kg and walks along the +x-axis for a distance of 100m with a constant velocity of 2 m/s. What is t
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Since the direction of the force and the direction of the path is perpendicular, the person is not doing any physical work.
3 0
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Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and re
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3 is your correct answer
8 0
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