The image shows devices that convert wind energy into electrical energy. What is one advantage of using this type of device in p
lace of buming fossil
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
fuels?
A. It emits more greenhouse gases.
B. It produces more hazardous waste.
C. It uses a renewable resource.
D. It causes harm to birds and bats.
1 answer:
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Answer:
(a) The range of the projectile is 31,813.18 m
(b) The maximum height of the projectile is 4,591.84 m
(c) The speed with which the projectile hits the ground is 670.82 m/s.
Explanation:
Given;
initial speed of the projectile, u = 600 m/s
angle of projection, θ = 30⁰
acceleration due to gravity, g = 9.8 m/s²
(a) The range of the projectile in meters;
(b) The maximum height of the projectile in meters;
(c) The speed with which the projectile hits the ground is;
Answer:
Explanation:
Expression for relative velocity
=
= (.54 + .82 )c/
= 1.36 c / 1.4428
= .94 c
β = .94