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2 years ago

PLEASE HELP!!!!!!!!!!!!!!!!!!!

Physics

1 answer:

netineya [11]2 years ago

7 0

Answer:

sorry i just really need points

Explanation:

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VLD [36.1K]

Answer:

Option C

Explanation:

According to the formula

$\\ \boxed{\sf R=\rho\dfrac{\ell}{A}}$

If we use wide wire we increase the area of cross section so resistance decreases

5 0

2 years ago

A toy car of mass 0.15kg accelerates from a speed of 10 cm/s to a speed of 15 cm/s. What is the impulse acting on the car?

OLga [1]

v=v2-v1=15-10=5 cm/s

p=mv=0.15•5=0.75 kg•cm/s

7 0

3 years ago

Read 2 more answers

I really need help.

Zielflug [23.3K]

2/5 = .4
.4*100= 40%
Alex spends more time

4 0

3 years ago

A small apple weighs 0.8N. How much would an apple that is 4 times as massive weigh?

-BARSIC- [3]

Answer:

W=31.99 N

Explanation:

W= 8 N (N= kg*m/ s^2)

W= m* g

8 N= m * 9.8 m/s^2

m= 0.816 kg

m*4= (0.816)4

= 3.264 kg

W= mg

= (3.264 kg)(9.8 m/s^2)

W=31.99 N

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3 years ago

Where are alkaline earth metals found on the periodic table?

mojhsa [17]

Answer:

Explanation:

8 0

2 years ago