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A light spring-gun projectile launcher is mounted on an 0.593 kg air track glider. compute the speed of the air-track glider after the gun is fired
Two lenses, one converging with focal length 20.5cm and one diverging with focal length ?10.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
A battery charger is connected to a dead battery and delivers a current of 3.7 A for 2.1 hours, How much energy is delivered to the battery
A Styrofoam box has a surface area of 0.74 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
A toaster operating on 120 V uses a current of 15.0 A. What is the toaster's power consumption, what is the cost of using the toaster for 3.2 min
A cylindrical container 1.3 tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water. what is the depth d
If the magnetic field in a traveling EM wave has a peak magnitude of 13.3nT, what is the peak magnitude of the electric field
If you were on a spaceship traveling a 0.5c away from a star, at what speed would the starlight pass you
A 60.0-kg runner expends 360 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 205 N/m. Find the spring constant of spring 2.
An inductor is connected to a source of sinusoidally varying voltage with constant amplitude and a frequency of 50.0 Hz. what will be the new rms current
A 500g particle has velocity vx = -5.0m/s at t = -2s. Force Fx = (4-t^2)N is exerted on the particle between t = -2s and t = 2s. What is the particle's velocity at t = 2s
A member of the volleyball team spikes the ball. During this process, she changes the velocity of the ball from 3.5 m/s, determine the mass of the volleyball
An object is 12.0 cm to the left of a thin, diverging lens that has a focal length of magnitude 15.5 cm. Where is the resulting image located
four resistors and a capacitor are connected to an 18 v battery with negligible internal resistance, calculate the net resistance of the circuit
A 50 kg bag of sand ar 25 degree C falls 10 m onto the pavement and comes to an abrupt stop. What is the dissapative work done on the sand
Two protons are separated by a distance of 0.06 cm. What is the magnitude of the electric force for the protons
A paperweight, when weighed in air, has a weight of W = 6.6 N. When completely immersed in water, Find the volume of the paperweight
A 2.40cm × 2.40cm square loop of wire with resistance 1.10×10?2? has one edge parallel to a long straight wire. calculate the current in the loop
five resistors are connected to a battery with an emf of 12 V and internal resistance of 1 ohm. calculate the external resistance of the circuit
Two red blood cells each have a mass of 9.05 × 10-14 kg and carry a negative charge spread uniformly over their surfaces. What is the maximum accleration of the cells as they move toward each ot
Two parallel plates of 0.5m high and 0.2m wide are a distance 0.25m apart. What is the Capacitance of the system. compute the Electric field
The temperature of a copper bar rises by 10.0°C when it absorbs 2.03 kJ of energy by heat. The mass of the bar is 525 g
A nearsighted student with a far point of 6.30 m wears contacts that allow him to see distant objects clearly. determine image distance for the tree
A 18.0cm × 18.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. The resistance of the loop is 0.530?. What is the size of the induced current in the loop at t = 0