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Suppose your bathroom scale reads your mass as 85 kg, with an 8% uncertainty. What is the uncertainty in your mass? (Note that uncertainties should be reported to one significant figure.)
the motion of a 25.0kg mass on the end of a string is uniform motion. the magnitude of the tangential velocity of the mass is 5.0m/s. calculate the angular momentum of the mass
Assume a spacecraft of mass 28,000 kg is accelerated to 0.43c. How much kinetic energy would it have? If you utilized the classical formula for kinetic energy, by what percentage would you be in error?
how does knowing the time constant of an rl or rc circuit help us decide the width of a practical pulse input that is
monochromaticlight of wavelength lambda 620nm from a distant sources passes through a slit 0.450 mm wide. the
A block of weight 43.6 N is hanging from a rope. The tension from the rope is pulling upward on the block. The block is accelerating upward at a rate of 1.22 m/s^2. What is the magnitude of the tension in the rope?
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A block with a weight of 7.7 N is at rest on a horizontal surface. What is the magnitude of the force of the block on the horizontal surface
Draw a circuit with a 9 V battery and two resistances of 5 and 12 connected in parallel. Place an ammeter in the circuit to gauge the current in the 12 resistor, and a voltmeter to gauge the voltage across the five resistors.
A spring with a spring constant 23 N/m is suspended vertically. (Assume the mass of the spring is negligible), How much does the spring stretch (in cm) when 236 g is added? The spring is then set into vertical oscillation from its equilibrium positio..
A pitcher throws a curveball that reaches the catcher in 0.58 sec. Find the angular displacement of the baseball (in radians) as it travels from the pitcher to the catcher
A 1.6kg eagle flying 30m/s west grabs a 0.8kg pelican going 30m/s east. What is the final speed of the eagle and pelican together
q1. a 750 gram grinding wheel 25.0 cm in diameter is in the shape of a uniform solid disk. we can overlook the small
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