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1. Calculate the force between two objects that have masses of 70 kg and 2,000 kilograms separated by a distance of 1 meter.2. Calculate the force between two touching grapefruits each with a radius of 0.08 meters and a mass of 0.45 kilograms.3. Calculate the force between one grapefruit as described above and EArth. EArth has a mass of 5.9742 x10^24 kg and a radius of 6.3710 x 10^6 meters. Assume the grapefruit is resting on Earth's surface.
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 60.3° and 47.5°, respectively. Obtain the speed of light in the material
q1. two speakers one straight behind the other are each generating a 547-hz sound wave. what is the smallest separation
A series RLC circuit is driven by a voltage of amplitude 5V. If w(omega)= 1000s^-1, L = 5H, C=3muF and R =2komega. Find the amplitude of the current. Find the amplitude of the voltages across the capacitor, inductor, and resistor Find the phase diffe..
Radar is used to scan for airplanes near an airport. If an airplane is 10 km from the airport, what is the round-trip travel time for the electromagnetic wave used by the radar system
a VW bug hits a huge truck head on. each vehicle was initially going 50 MPH. which vehicle experience the greater force
Suppose 12.6 g of oxygen gas (O2, 32.0 g/mol) is heated at constant atmospheric pressure from 17.0°C to 110°C. How much energy is transferred to the oxygen as heat
q1. a small ball of mass 62 g is suspended from a string of length 37 cm and whirled in a circle lying in the
In a certain oscillating LC circuit the total energy is converted from electric energy in the capacitor to magnetic energy in the inductor in 1.30 µs. What is the frequency of oscillation
You can launch the proton from the surface of a sphere of with charge Q and radius R, from the center of a ring of charge Q and radius R, or from the center of a disk of charge Q and radius R. Which is the best choice.
100.0 W tungsten filament bulb generates 95.0 W of heat, determine difference in temp. between inner and outer surface of glass
What is speed of the car just before it lands safely
an ideal physics text with a mass of 2.5g is placed on a rough incline. The coefficients of static and kinetic friction are .3 and .2 respectively. what is the magnitide of the acceleration of the text
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