Physics Middle School

A car initially at rest travels 32 m in 4 s along a straight road with constant acceleration. The acceleration of the car is

Answers

Answer 1

Answer:

Accelerate 0.01km per second.

And it accelerates 799.93cm per second.

Answer 2
It accelerates 799.3 per second

Related Questions

A ball of mass 100g thrown by a man moves at a velocity of 100m/s. what is the momentum? need the answer step by step plssss!!​ i need it fast!!!!!!!

Answers

Explanation:

Mass of the ball= 100 g = 0.1 kg

Velocity of the ball before collision=10 m/s

Momentum of the ball before collision, p(i)=mv= 0.1×10=1 kgm/s

Since, ball returns back with same velocity

Therefore, velocity of ball after collision = -10 m/s (-ve sign due to opposite direction)

So, momentum of ball after collision,p(f) = 0.1 ×(-10) = -1 kgm/s

Now, Impulse generated in the ball= change in momentum= p(f)-p(i)= -1–1= -2 kgm/s

λ=
mv
h
​

λ⟶De Broglie wavelength
m=100 g=
1000
100
​
kg=0.1 kg
v=100 ms
−1

λ=
mv
h
​
=
0.1×100
6.623×10
−34

​
=6.626×10
−35
m
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