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kkurt [141]
4 years ago
11

Lesson 8 Exit Ticket

Physics
1 answer:
valina [46]4 years ago
6 0
2. $39
3. 1 - $100 4 - $10 and 2 - $1
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A horseshoe magnet is pulling on a metal screw, is it pushing or pulling the horseshoe magnet?
babunello [35]

Answer:

pulling

Explanation:

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2 years ago
An object initially at rest experiences an acceleration of 9.8m/s2. How much time will it take it to achieve a velocity of 49m/s
Vlad1618 [11]

Answer:5seconds

Explanation:

initial velocity(u)=0

Final velocity(v)=49m/s

acceleration(a)=9.8m/s2

Time(t)=?

V=u+axt

49=0+9.8xt

49=9.8t

t=49/9.8

t=5seconds

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What two things keeps the planets, asteroids, comets and moons in orbit?
gregori [183]
Answer:

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3 years ago
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Please Help:)<br> How to draw two vectors being added:
scoray [572]

Explanation:

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4 0
3 years ago
A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a+12-N force that p
lozanna [386]

Answer:

F_n = -4 N

Explanation:

Net external force that exerted on the block is given as

F_{net} = (m_1 + m_2) a

here we know that

F = 12 N

m_1 = 4 kg

m_2 = 2 kg

now we have

12 = (4 + 2) a

so we have

a = 2 m/s^2

now the force exerted by bigger block on smaller block is given as

F_n = ma

F_n = (2 \times 2)

F_n = 4 N

now we know that two blocks will exert equal and opposite force on each other

so here the force exerted by 2 kg block on 4 kg block will be

F_n = -4 N

5 0
3 years ago
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