A 10 kg wagon is pushed with a force of 7N for 1.5 second, then with a force of 5 N for 1.7 seconds, and then with a force of 10 N for 3 second in the same direction. What is the change in velocity brought about?
Text Solution
Verified by ExpertsThe correct answer is:
C
Here, a wagon of mass 
starts to move under forces, 
and 
, for time intervals, 
, 
and 
, respectively, in the same direction.
Then, from Newton's second law of motion is
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The linear momentum P of a body varies with time and is given by the equation P = x + yt 2 where x …
In which of the following cases forces must not be required to keep the-
The average force necessary to stop a hammer having momentum 25 N-s in 0.05 second is-
Two masses of 5 kg and 10 kg are connected to a pulley as shown. What will be the acceleration if t…
Two bodies of 5 kg and 4 kg are tied to a string as shown in the fig. If the table and pulley both …
The mass of ship is 2 × 107 kg. On applying a force of 25 × 105 N, it is displaced through 25m. Aft…