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svet-max [94.6K]
2 years ago
13

g) If two cars A and B are moving with velocity 60 km/hr and 80 km/hr respectively in the same direction. What will be the relat

ive velocity of B with respect to A? (20 kmhr)​
Physics
1 answer:
tester [92]2 years ago
4 0

Explanation:

Here,

Velocity of A=60km/hr

Velocity of B=80km/hr

Now,

Relative velocity of B with respect to A in the same direction=Velocity of B - Velocity of A

=80km/hr-60km/hr

=20km/hr

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A 3.70 kg block moving 2.09 m/s right hits a 2.42 kg block moving 3.92 m/s left. Find the total momentum of the system.
Novosadov [1.4K]

Answer:

-1.7534 Kg.m/s

Explanation:

Momentum, p is a product of mass and velocity, expressed as p= mv where m is the mass and v is the velocity which is dependent on the direction. Taking left as negative and right as positive then the initial momentum will be

p=-2.42*3.92+(3.7*2.09)=-1.7534 Kg.m/s

5 0
3 years ago
What is the difference between a spring and a stream?
Lena [83]
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4 years ago
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Korolek [52]

Answer:

Explanation: relationship between the object and the observer's frame of reference.

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3 years ago
If an airplane travels a distance of 540 km in 2.5 hours, what is its average speed in m/s?
VashaNatasha [74]

Answer:

Great question! To solve this problem you just need a bit of simple math. The short answer is 60 m/s

Explanation:

To solve this, you must first set up your equation.

540km/2.5hr * 1000m/3600s

You would set it up this way because there are 1000 meters in a km and 3600 seconds in an hour. This

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This simplifies down to

60m/s

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3 years ago
Muscular Endurance is the ability of a muscle to continue to perform without fatigue.
Art [367]

Answer:

True.

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