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Evgen [1.6K]
3 years ago
13

An object in motion is usually seen moving in relation to an object that appears to

Physics
1 answer:
Norma-Jean [14]3 years ago
8 0
The answer is Stay In Place
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A shopper pushes a 5.32 kg grocery cart with a 12.7 N force directed at -28.7° below horizontal. A friction force of 8.33 N push
atroni [7]

Answer:

0.8214 m/s^2

Explanation:

Fnet= Fpushed - Ffriction

Fpushed = 12.7N      Ffriction = 8.33N

Fnet = 12.7N - 8.33N = 4.37N

Fnet= mass(acceleration)

Fnet = 4.37N    mass = 5.32 kg

4.37N = 5.32 kg(acceleration)

acceleration= 0.8214 m/s^2

3 0
3 years ago
Use ohms law to determine the battery voltage you would need to send 2.5 A of current through a light bulb with 3.6 Ω of resista
yan [13]

Answer:

285 or higher voltage

Explanation:

3 0
3 years ago
When a charge of 8 C flows past any point along a circuit in 2 seconds, the current is ________ A?
RoseWind [281]
The answer would be 4 A.
7 0
3 years ago
During takeoff, a plane goes from 0 to 50 m/s in 8s. What is its acceleration? Halos fast is it going after 5 s? How far had it
svlad2 [7]
A= 50/8 m/s^2 

<span>vf=at=50/8 * 5= 250/8 m/s at t=5sec </span>

<span>time to get to 50m/s </span>
<span>50=50/8*t or t=8 seconds </span>
<span>distance=1/2 a t^2=1/2 50/8 64 </span>
<span>distance= 400 m check that.</span>
4 0
3 years ago
Read 2 more answers
g Two balls of equal size are dropped from the same height from the roof of a building. The mass of ball A is twice that of ball
tamaranim1 [39]

Answer:

K_A = 2K_B

Explanation:

As we know that initial height of both the balls are same

also the mass of the two balls is given as

m_A = 2m_B

so here we can say by mechanical energy conservation

initial total mechanical energy = final total mechanical energy

since both balls are initially at rest so initial total kinetic energy of the balls will be zero

now final total kinetic energy = initial total potential energy

now we say

K_A = m_A gh

K_B = m_B gh

so we have

\frac{K_A}{K_B} = \frac{m_A}{m_B}

K_A = 2K_B

5 0
3 years ago
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