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Luba_88 [7]
3 years ago
7

8. A car moved 20 km East and 70 km West. What is the distance?

Physics
2 answers:
SCORPION-xisa [38]3 years ago
7 0
Your answer is.......a car moved 60 km East and 90 km in west.
Marianna [84]3 years ago
7 0

Answer:90km

Explanation:

Total distance =70+20

Total distance =90km

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The velocity of a car changes from 20 m/s east to 5 m/s east in 5 seconds. What is the acceleration of the car?
Klio2033 [76]
acceleration =  \frac{ v_{2}- v_{1}  }{t} = \frac{5-20}{5} =-3m/s^{2}
3 0
3 years ago
(c)
grigory [225]

Answer:

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7 0
2 years ago
A 6.2 kg cannonball is fires from a 280 kg cannon. The cannon recoils with a velocity of 4.9 m/s. What is the velocity of the ca
lara [203]

Answer:

666 bc its on its way to my house

Explanation:

3 0
3 years ago
Can someone please help?
OLga [1]

Answer:

1: E

2: A

3: C

4: B

5: D

Explanation:

3 0
2 years ago
4. What is the electric field strength 1.4 nm from a charge of 4.7 cC?
pentagon [3]

The electric field strength is 2.16\cdot 10^{26} N/C

Explanation:

The strength of the electric field produced by a single point charge is given by:

E=k\frac{q}{r^2}

where

k=8.99\cdot 10^9 Nm^{-2}C^{-2} is the Coulomb's constant

q is the magnitude of the charge

r is the distance from the charge at which the field strength is calculated

For the charge in the problem, we have:

q=4.7 cC = 0.047 C is the charge

r=1.4 nm = 1.4\cdot 10^{-9} m

Therefore, the electric field strength is

E=(8.99\cdot 10^9)\frac{0.047}{(1.4\cdot 10^{-9})^2}=2.16\cdot 10^{26} N/C

Learn more about electric fields:

brainly.com/question/8960054

brainly.com/question/4273177

#LearnwithBrainly

5 0
2 years ago
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