A freight company uses a compressed spring to shoot 2 00 kg packages up a 1 00 m high frictionless ramp into a truck as Figure 1

Question

A freight company uses a compressed spring to shoot 2 00 kg packages up a 1 00 m high frictionless ramp into a truck as Figure 1 shows The spring constant is 451 N m and the spring is compressed 30 0 cm

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