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8.82 m. The 'range' means the distance along the positive x axis travelled by the projectile during its flight. First calculate the time elapsed over the flight using the SUVAT equation y = usin(θ)t - 0.5...

p = 17.9 kgm/s. p = mv. v = d/t. p = md/t. p = (5 x 50)/14

The Big Bang is the leading theory on the creation of the universe. It states that all mass and energy were concentrated at a single point before a large explosion occurred, signalling the start of time. ...

1. Repeat measurements and find the average (usually mean) result2) Use a higher precision apparatus3) Zero or recalibrate the instrument to avoid incorrect results

In the question we are given:Speed=10m/sForce=500NPower is work done per second and also the force times velocity.(could discuss how this works in units: W=J/s = Nm/s therefore Joules = Newton-meters )So ...