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1. What is the density of a material if 50.0 cm^3 has a mass of 212.5 g?
2. What is the volume of 30 g of iron? (Be especially careful with significant figures on this one.)
3. If a material has a mass of 4325 g and takes up 0.50 m^3, what is it?
4. What is the mass of water in a 115 L tank?
A solid object is made of two materials, one material having density of 2 000 kg/m3 and the other having density of 6 000 kg/m3. what is its average density
pat builds a track for his model car out of wood. the track is 7.00 cm wide 4.00 m long and 1.78 m high and is solid.
A simple pendulum is 7.00 m long. What is the period of simple harmonic motion for this pendulum if it is located in an elevator accelerating upward at 5.00 m/s2
What is the amplitude of this wave? What is the wavelength of this wave?
Determine the acceleration of bodies A and B and the tension in the (non stretching) cable due to the application of the 60 lb force. Neglect all frictional forces and the masses of the pulleys.
Determine the tension in each cable if boat has a mass of 490 kg and the angle of each cable is 50 degrees from the horizontal and the boat is being momentarily held at rest. Evaluate this to the tension when the boat is raised and held at rest so th..
Calculate the labour price (rate) variances for each worker level. b. Compute the labour efficiency variances for each worker level. c. Compute the labour mix variances for each worker level.
A series RLC circuit contains an AC generator (120 volts rms, frequency = 60 Hz), a 35.0 ohm resistor, a 1.49×10^?5 F capacitor, Determine the inductive reactance
a 6 l rigid constant volume container holds 0.36 moles of helium at an initial temperature of 56 oc. the container has
question1the magnitude of four displacement vectors shown in the drawing are a 16.0 m b 11.0 m c 12.0 m and d 26.0
A swimmer heads directly across a river, swimming at 1.49 m/s relative to the water. She arrives at a point 42.0 m downstream from the point directly across the river, What is the swimmer's speed relative to the shore
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
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