A body of mass m accelerates uniformly from rest to $v_{1}$ in time $t_{1}$ . The instantaneous power delivered to the body as a function of time t is

\frac{m v_{1} t}{t_{1}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{m v_{1}^{2} t}{t_{1}^{2}}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\frac{m v_{1} t}{t_{1}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{m v_{1}^{2} t}{t_{1}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $\frac{m v_{1}^{2} t}{t_{1}^{2}}$
$a = \frac{v_{1} - 0}{t_{1}} = \frac{v_{1}}{t_{1}}$
P = fv
$= F (/ u 0 + a t) = F a t$
$= \frac{F V_{1} t}{t_{1}} = m a \times \frac{v_{1} t}{t_{1}} = (m \frac{v_{1}^{2}}{t_{1}^{2}}) t$

Suggest Corrections

Similar questions

A bob of mass m accelerates uniformly from rest to v₁ in time t₁.As a function of t, the instantaneous power delivered to the body is

A body of mass m accelerates uniformly from rest to velocity $v_{1}$ in time $t_{1}$ . The instantaneous power delivered to the body as a function of time t is

Q. A body of mass

m

accelerates uniformly from rest to

v_{1}

in time

t_{1}

. The instantaneous power delivered to the body as a function of time

t

is:

Q. A body of mass m accelerates uniformly from rest to

v_{1}

in time

t_{1}

. As a function of t, the instantaneous power delivered to the body is:

A body of mass m accelerates uniformly from rest to velocity $v_{1}$ in time $t_{1}$ . The instantaneous power delivered to the body as a function of time t is

Join BYJU'S Learning Program

A body of mass m accelerates uniformly from rest to v1 in time t1. The instantaneous power delivered to the body as a function of time t is

The correct option is B mv21tt21a=v1−0t1=v1t1 P = fv =F(/u0+at)=F at =FV1tt1=ma×v1tt1=(mv21t21)t

A body of mass m accelerates uniformly from rest to $v_{1}$ in time $t_{1}$ . The instantaneous power delivered to the body as a function of time t is

The correct option is B $\frac{m v_{1}^{2} t}{t_{1}^{2}}$
$a = \frac{v_{1} - 0}{t_{1}} = \frac{v_{1}}{t_{1}}$
P = fv
$= F (/ u 0 + a t) = F a t$
$= \frac{F V_{1} t}{t_{1}} = m a \times \frac{v_{1} t}{t_{1}} = (m \frac{v_{1}^{2}}{t_{1}^{2}}) t$