Knowing the initial velocity and angle, the horizontal range formula is given by R= V^2sin(2teta) / g, so we can get
sin(2teta)=Rg/V^2
sin(2teta)= (180 x 9.8)/ 80^2= 0.27, sin(2teta)=0.27, 2teta=arcsin(0.27)=15.66, so teta=15.66/2
teta=7.83°
acceleration of car is 1.8 m/s^2
time = 14 s
initial speed = 14 m/s
so the final speed is calculated by
so the total distance moved in this interval of time is
now the average speed is given as
so the average speed will be 26.6 m/s
Explanation:
Amplitude is your answer..
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This is because the accerelation due to gravity on earth is 9.8m/s2 and to find the weight you multiply 12 by 9.8 which=117.6N. Therefore the force of gravity on planet A is equal to the force of gravity on Earth.
