What is the mechanical energy
The acceleration of gravity is 9.8 m/s2 .
If the speed of the child at the lowest position is 2.21972 m/s, what is the mechanical energy dissipated by the various resistive forces (e.g. friction, etc.)?
Answer in units of J
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A horizontal circular wire loop of radius 0.6 m lies in a plane perpendicular to a uniform magnetic ?eld pointing from above into the plane of the loop, has a magnitude of 0.57 T. If in 0.12 s the wire is reshaped from a circle into a square, but
Discuss your results with respect to the aims of the experiment rolling ball part velocity measurements. How does the measurement of the diameter of the ball obtained using the photogates compared with those obtained using the ruler and calipers?
Stan does 159 J of work lifting himself 0.1 m. What is Stan's mass? The acceleration of gravity is 9.8 m/s2 .
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A ranger in a national park is driving at 46 km/h when a deer jumps onto the road 64 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce a deceleration of 3.4 m/s2. What is the maximum reaction time allow
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