Answer:
v = 1.69 m/s
Explanation:
Given that,
Displacement of the student is 304 m due North and it takes 180 s.
We need to find the student's average velocity. Using formula of velocity.
Velocity = displacement/time
Hence, the student's average velocity is 1.69 m/s.
Answer:
a=8.1832m/s^2
Explanation:
Vo=initial speed=0m/s
Vf=final speed=26.8m/s
t=time=3.275s
the vehicle moves with a constant acceleration therefore we can use the following equation
A=aceleration=(Vf-Vi)/t
A=(26.8m/s-0m/s)/3.275s=8.1832m/s^2
the magnitude of the car´s aceleration is 8.1832m/s^2
Answer:
Required heat Q = 11,978 KJ
Explanation:
Given:
Mass = 5.3 kg
Latent heat of vaporization of water = 2,260 KJ / KG
Find:
Required heat Q
Computation:
Required heat Q = Mass x Latent heat of vaporization of water
Required heat Q = 5.3 x 2260
Required heat Q = 11,978 KJ
Required heat Q = 12,000 KJ (Approx.)
Answer:
it is to do with the static electricity produced by using the comb
