Answer:
7.5 × 10^3 m/s^2
Explanation:
use the formula that does not have v in it to solve for acceleration.
The Brazilian rain forest is an area with significant biodiversity. As the rain forest is replaced with agricultural land, it is
2 answers:
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Answer:
-2.63 Joules
2.63 Joules
Explanation:
= Initial compression = 5.89 cm
= Final compression = -15.4 cm
k = Spring constant = 260 Nm
Work done by a spring is given by
Work done by the spring is -2.63 Joules.
Change in kinetic energy is given by
Here, it is assumed that change in kinetic energy is zero as velocity and amlitude are not mentioned.
So,
The work done by the applied force is 2.63 Joules.
Maximum height
= (Usinα)^2/2g
(50*0.5)^2/20
25^2/20
625/20
=31.25metres
horizontal distance = Range= [U^2 * sin2α]/g
[50^2 * sin60]/10
2500 * 0.8660/10
2165/10=216.5metres