What is the acceleration of 0.3kg ball hit with force of 20N?

Answers

Answer 1

Answer: Force = mass x acceleration
20= 0.3 x a
so , a = 66,67 m/s^2

Answer 2

Answer: 20= 0.3 x a
so a equals 66,67 m/s^2

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Scientist A believes she has discovered a new procedure that is better than a procedure currently in use by physicians. She tests her procedure on several occasions and achieves excellent results. Her procedure could be accepted as the best when a community of scientists A) accept Scientist A’s procedure automatically because of her credentials. B) carry on further discussion, using many trials if experimentation is needed. C) carry on further discussion, using only a few trials if experimentation is needed. D) reject Scientist A’s procedure; once a procedure is put into place, it can’t be altered with new evidence.

Answers

Answer:

B) carry on further discussion, using many trials if experimentation is needed.

Explanation:

To know if the procedure is the best, the hypotheses raised there must be verified in many ways, choosing experiments that do not provide us with ambiguous or incomplete results. It is very important that any other person can repeat it, since a scientific discovery is not valid until another scientist has replicated it.

Answer:

Explanation:

What is the mass of a large dog that weighs 441 newtons

Answers

Weight, w = mg. g ≈ 9.8 m/s². m = mass in kg. w is weight in N

441 N = m* 9.8

9.8m = 441

m = 441/9.8

m = 45 kg.

Mass of the dog is = 45 kg

What energy transfer happens when you cook a sausage on a camp fire thats burning wood

Answers

Heat energy (and light energy if they ask for two answers)

What is the most work that can be done with 100 joules if energy

Answers

100 j of energy can be done

How does the sun cause wind?

Answers

wind is caused by a difference in pressure from one area to another area on the surface of the earth. Air naturally moves from high to low pressure, and when it does, it is called wind. Generally, we can say that the cause of wind is the uneven heating of the earth's surface by the sun.

A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc=22.3m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the collision the wreckage (car and truck) moves off in a direction of 45.0 degrees above the x-axis. Determine the initial speed of the truck (in a/s)