Question

HOPEFULLY THIS CAN BE ANSWERED
Questions:
1. Starting from rest, a drag race car attains a speed of 120 km/hr in 6 seconds. Find the acceleration of this car.
Given Data: find the following
a. vi?=
b. vf?=
c. t?=
Show your solution using the formula.
D.

2. A deer was running slowly at 2 Ms when a jaguar suddenly attacked it. Out of fear, it increased it's speed to 10 Ms in 4 seconds. Calculate the acceleration of the deer.
Guide questions:
A. How slow was the deer running before it was attacked by a jaguar?
B. When the jaguar had attacked, how fast did the deer run?
C. How long did the deer exert it's effort to increase it's speed?
Show your solution:

Answer 1

Answer:

Explanation:

vi= 0 km/hour = 0m/sec

vf= 120km/h = 33.33m/sec

t= 6 seconds

Vf= Vi + a t

33.33 = 0 + 6a

6a= 33.33

a= 50.50m/sec square answer

_____________________________________

Vi =  2m/s

Vf= 10m/s

t= 4 sec

Vf= Vi + a t

10= 2 +  4a

4a= 8

a= 2m/sec square