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Inessa [10]
3 years ago
7

If two cars with the same mass( cars a and b) are moving but one (car b) is moving at twice the speed of car a ?

Physics
1 answer:
maria [59]3 years ago
6 0

ANSWER:

AAAAAAAAAAAAAAAAAAAA

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What did nicolaus copernicus discover about the universe
Keith_Richards [23]

Answer:

Copernicus discoveres thr heliocentric theory. It was previously believed that everything orbited the Earth, geocentric theory. Copernicus said he believed the Earth and everything else orbited around the Sun.

8 0
3 years ago
One heater uses 310 W of power when connected by itself to a battery. Another heater uses 180 W of power when connected by itsel
igor_vitrenko [27]

Answer:

55.8W

Explanation:

P= V^2/R

R= V^2/P

For series connection

Req= R1+ R2= V^2/310 + V^2/180

R=V^2/P= V^2/310 + V^2/180

But V^2 will cancel out

P= 1/(1/310 + 1/180)

P= 55.8W

8 0
3 years ago
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6
choli [55]

Answer:

B. Acceleration in the direction of motion speeds you up

Explanation:

Acceleration is defined as when something gains speed. For example, when a car speeds up. Deceleration is when the car slows down, and looses speed. When defining these terms, think of a car going faster, then slowing down at a red light.

3 0
3 years ago
MathPhys Help pls Tysm
HACTEHA [7]

Answer:

8.75

Explanation:

First, find the force of friction.

Kinetic energy = work done by friction

½ mv² = Fd

½ (3.9 kg) (2.9 m/s)² = F (1.4 m)

F = 11.7 N

Next, find the distance at the new velocity.

Kinetic energy = work done by friction

½ mv² = Fd

½ (3.9 kg) (2.5 × 2.9 m/s)² = (11.7 N) d

d = 8.75 m

3 0
3 years ago
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Water enters a shower head
zalisa [80]

Answer:

13.1

Explanation:

thats what i put in for acellus and its right

4 0
2 years ago
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