A rifle has less acceleration than the bullet it fires because of a
1 answer:
Answer:
The correct option is greater mass.
Explanation:
- The force on the rifle is equal to the force on the bullet, according to Newton's third law, which states that every force has an equal and opposite response. The rifle, on the other hand, has a higher mass, hence its acceleration is smaller than the bullet's acceleration.
- We should know that according to Newton’s 3rd law of motion, if one object M exerts a force FM on a second object N, then N simultaneously exerts a force FN on M, and the two forces are equal in magnitude and opposite in direction:
ma= constant, here ‘m’ is the mass and ‘a’ is the acceleration. If acceleration ‘a’ of rifle is less than its mass ‘m’ should be more.
Hence, the correct option is (c)Greater mass.
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Answer:
a) y₂ = 49.1 m , t = 1.02 s , b) y = 49.1 m , t= 1.02 s
Explanation:
a) We will solve this problem with the missile launch kinematic equations, to find the maximum height, at this point the vertical speed is zero
² =
² - 2 g (y –yo)
The origin of the coordinate system is on the floor and the ball is thrown from a height
y-yo = =
- g t
t = / g
t = 10 / 9.8
t = 1.02 s
b) the maximum height
y- 44.0 = ² / 2 g
y - 44.0 = 5.1
y = 5.1 +44.0
y = 49.1 m
The time is the same because it does not depend on the initial height
t = 1.02 s