D it is D the answer is D
The earth has an atmosphere that disintegrates most meteorites that make craters, unlike the moon, which has no atmosphere and nothing to protect it from meteorites
<span>1 pound is equal to .454 kilograms.
115 pounds equals
115 x .454 kilograms = 52.163 kg.
The total dose is equal to the dose per kilograms multiplied by the total mass in kilograms.
6.00mg/kg x 52.163kg = 312.978mg.
The total dose is 313.0 mg</span>
Answer:

Explanation:
Given,
Mass of the truck, M = 1470 Kg
initial speed of the truck, u = 27 m/s
mass of car, m = 1010 Kg
initial speed of car, u' = 0 m/s
Final speed, V = ?
Using conservation of momentum



Change in kinetic energy



Change in KE = 