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Order of magnitude estimation: Using physics intuition, estimate the muzzle velocity of a projectile launcher.
This deals with making estimates then deciding on an appropriate formula to use with estimation. My problem is with deciding which formula to use. There is a hint provided, Appropriate formula: It should depend only on distances and launcher angle.
What apparent free-fall acceleration is experienced by the managers remaining on the rim assume that the average mass for each inhabitant is 65kg.
A lead ball, with an initial temperature of 25oC, is released from a height of 101.0 m. It does not bounce when it hits a hard surface. Presume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball ..
A 8 kg box slides d = 4.2m down the frictionless ramp, after that collides with a spring whose spring constant is 250 N/m. angle is 30 degrees.
What is the coefficient of static friction
A charge of 2.65mC is placed at each corner of a square 0.450m on a side, Determine the direction of the force on a charge
Runner A is initially 8.0 mi west of a flagpole and is running with a constant velocity of 6.0 mi/h due east. Runner B is initially 6.0 mi east of the flagpole and is running with a constant velocity of 8.0 mi/h due west. How far are the runners f..
Illustrate what would be the relative strengths and weaknesses of this study? What ethical considerations must be taken into account while undertaking this study?
A 79 kg pole-vaulter falls from rest from a height of 4.6 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.30 s after landing on the pad. compute the athlete's velocity just before reaching the pad.
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.
A 66 N m torque acts on a wheel with a moment of inertia 175 kg m2. If the wheel starts from rest, how long will it take the wheel to make one revolution? The system is released from rest and accelerates under the weight of m2.
A football kicked off at an angle 20° from the ground reaches a maximum height of 4.7 m. What is the initial velocity of the kick.
An electric field does 11.10 MeV of work in moving a very small charged particle from point a to point b through a potential difference of -2.22 MV
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