momentum(p) = mass(m) x velocity(v)
KE = kinetic energy = 1/2 mv²
a.
the ratio of the momentum of the SUV to that of the car
b. the ratio of the KE of the SUV to that of the car
What is the speed of the animal from 0-20s? 50 m/s 0.4 m/s 20 m/s 2.5 m/s
1 answer:
Answer:
2.5 m/s
Explanation:
The speed of the animal is given by the ratio between the distance travelled by the animal and the time elapsed:
where d is the distance travelled and t the time elapsed. Note that this quantity is also equal to the slope of the curve.
In the time interval 0-20 s, we have
d = 50 m - 0 m = 50 m
t = 20 s - 0 s = 20 s
So, the speed is
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Answer:T he percentage error up to two decimal places is 2.22 %.
Explanation:
To calculate the percentage error, we use the equation:
We are given:
Experimental value of density=
Accepted value of density =
%
Hence, the percentage error is 2.22 %.