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3 years ago

Anaerobic transmission is when you touch a contaminated surface true or false

Physics

1 answer:

Keith_Richards [23]3 years ago

5 0

True because my mom said to me this morning that i have to take my breakfast

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Students in a lab are doing experiments involving the motion of objects. They pull an object across a table and use

Svetlanka [38]

Answer:

Explanation:

Did you ever end up getting an answer? Or like did you find out which segment it was?

5 0

3 years ago

g A rock is suspended from a string, and it accelerates downward. Which one of the following statements is correct? Group of ans

Luda [366]

Answer:Magnitude of tension in the string is less than the weight of rock

Explanation:

Given

Rock is suspended from the string and it accelerates downward

Let T be the Tension in the string

thus

mg-T=ma

where a =acceleration of rock

T=mg-ma

T=m(g-a)

Thus Tension in the string is less than the weight of rock

3 0

4 years ago

while dipping a solid object in a liquid upthrust on the object due to the liquid and the weight of the displaced liquid are sho

a_sh-v [17]

Answer:

If you try to lift up a weight in a swimming pool and then try to lift the same weight on the edge of the pool, it feels much lighter in the water.

This was supposed to have been first explained by the Greek scientist Archimedes. He said that the water gives an upward force or upthrust on any object in it.

You can weigh an object in air and then in water and actually work out the upthrust, it is the difference between the two readings. For this reason the upthrust is often called the loss in weight of the object.

3 0

3 years ago

An empty train car of mass 2.0 x 10^4 kg coasts along at 10 m/s. A 3000-kg boulder is suddenly dropped vertically into the car.

Zepler [3.9K]

Answer:8.69 m/s

Explanation:

Given

mass of Empty train $m=2\times 10^4 kg$

velocity of car $v=10 m/s$

mass of Boulder $M=3000 kg$

Since no External force is acting therefore conserving Momentum

Train and boulder moves with same velocity after collision

$m v=(M+m)v'$

$2\times 10^4\times 10=(2\times 10^4+3000)v'$

$v'=\frac{20,000\times 10}{23000}$

$v'=8.69 m/s$

8 0

3 years ago

The acceleration due to gravity on the moon is 1. 6 m/s2, about a sixth that of Earth’s. Which accurately describes the weight o

snow_tiger [21]

Weight is the force applied on the planet by its mass. The weight of an object is 6 times lighter than that of the earth. Option C is correct.

What is Wight?