Answer:
C) 4.0 m/s²
Explanation:
Given data
- Applied force (F): 120 Newton
- Mass of the object (m): 30 kilograms
- Acceleration of the object (a): to be determined
We can find the acceleration of the object using Newton's second law of motion.
F = m . a
a = F / m = 120 N / 30 kg = 4.0 m/s²
The acceleration of the object is 4.0 m/s².
serving speed = 170 km/h
now we will convert it into m/s
now it will have two components along x and y directions
also in x and y directions we know
by solving above equation we have
so angle is 6.11 degree below the horizontal
now we have
now time taken by ball to reach the ground will be
now the displacement in x direction will be
now the distance from net will be
So it will land inside the line
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Answer:
Gravity always pulls the ball toward the center of earth (the ground).
Explanation: