Answered: variable mass body with an initial mass… | bartleby

Related questions

Question

variable mass body with an initial mass of 10 kg is moving with a velocity of 7 m/s initially, after some time the velocity increases to 14 m/s, what is the new mass if the body is moving in the absence of any external force?

a) 2.5 Kg

b) 5 Kg

c) 7.5 Kg

d) 10 Kg

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A) 10 kg m B) I kg.m C) 100 kg.m 9 and 10) 2-kg weight which is attached to a 1.5 m length string, is released from rest when it is at position A. Determine a) its specd and b) the tension in the cord when the bob passes through its lowest position, B. 9) Speed A) 1.25 m/s B) 2.28 m/s C) 3.98 m/s D) 4.56 m/s E) 5.42 m/s 1.5 m 10) Tension A) 51.96 N B) 58.90 N B C) 66.26 N D) 89.89 N E) 95.12 N
3. A boat coasts under a bridge at a constant speed, and while moving under the bridge a large sack is dropped onto the boat from the top of a bridge. The speed of the boat will a) decrease, b) increase, c) stay the same or d) could slow down or speed up depending on the mass of the sack.
A baseball bat hits a reinforced window glass, but doesn't break it and the bat bounced and flew off. Which of the following is true? a. the force of the bat on the glass > the force of the glass on the bat b. the bat would have been broken c. the glass is stronger than the bat d. the force of the bat on the glass = the force of the glass on the bat e. the force of the bat on the glass < the force of the glass on the bat.
What happens to the object when you apply a constant force on it in space? A. It will not move B. It will continuously move C. It will move faster D. None of the above
Which SI units are combined to describe force? O A. Kilograms and meters B. Kilograms and m/s? C. Kilograms and m/s D. Kilograms and joules
B. Calculate the net force acting on the rocket during the launch process if the mass of the rocket is 25 g and the approximate launch time is 0.14 seconds. C. Explain how you could calculate the launch force acting on the rocket but what would you have to ignore and why? DATA FOR B IS IN IMAGE
a) "A swimmer pushing off from the side of a pool. She pushes against the pool wall with her feet and accelerates in the direction opposite to her push" What is the concept of above situation and explain.
10. John observes a duck whose mass is 5.0 kg paddling due east on the Detroit river. The duck is exerting a force 0.30 N due east and John notes the river has a force of 0.10 N 43 degrees south of east. If the duck has an initial velocity 0.21 m/s east, what is the magnitude of displacement John would observe the duck undergo in 2.0 s? А. 0.81 m No answer is correct С. 0.52 m D. 0.57 m Е. 0.45 m B.