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Frame the formula: final velocity (v) ...

Frame the formula:
final velocity (v) of a body in linear motion is equal to the sum of its initial velocity (u) and the product of acceleration (a) and time (t).

A

v=-u+at

B

v=u-at

C

v=u+at

D

v=-u-at

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Frame the formula: sum of the products of p,x and q,y is equal to r.

    A
    py+qx=r
    B
    px-qy=r
    C
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    D
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    `py +qx =r`
    B
    ` px-qy =r`
    C
    ` px +qy =r`
    D
    ` px+ qy+r=0`

  • A car starts from rest and attains a velocity of 54 km h^(-1) . If the acceleration of the car is 3 ms^(-2) , write the following steps in sequential order to find the time taken to accelerate the car. (A) Write the relation between u, v, a and t, where is the time taken to accelerate the car. (B) Note the final velocity (v) and convert it into SI unit. ( C) Note the initial velocity of the car as u = 0 and note its acceleration. (D) Substitute the given values and obtain the value of t, using t = (v-u)/a .

    A
    ADBC
    B
    ABCD
    C
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    D
    CBAD

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