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A satellite circles a spherical planet of unknown mass in a circular orbit of radius 1.9 x 10^7 m. If the satellite circles the planet once every 2.1 h in the larger orbit, what is the mass of the pla
Planet A and Planet B are in circular orbits around a distant star. Planet A is 4.5 times farther from the star than Planet B. What is the ratio of their speeds
Comet Halley has an orbital period of about 75 years. Determine the average distance of Comet Halley from the sun in AU
During normal beating, the heart creates a maximum 3.50 mV potential across 0.290 m of a person's chest, What is the wavelength of the electromagnetic wave
A lamp is placed 10 cm in front of a concave spherical mirror that forms an image of the filament on a screen placed 3.0 m from the mirror. What is the radius of curvature of the mirror
two converging lenses, each of focal length 15.0 cm, are placed 40cm apart, and object is placed 30cm in front of the first. what is the magnification of the system
In a certain particle accelerator, a current of 0.5 mA is carried by a 5 MeV proton beam that has a radius of 1.5 mm. Find the power consumption of the accelerator
A circular conducting loop of radius 11.0 cm is located in a region of homogeneous magnetic field of magnitude 0.300 T pointing perpendicular to the plane of the loop. Calculate the magnitude of the
The radioactive hydrogen isotope 3H is calledtritium. It has beta-minus decay and a daughter necleus of 3He. What is the time constant for tritium
Projectile is fired with launch angle of 60.0 degrees with a speed of 100.0 m/s at t = 0. (assume no air friction), How far from the launch point does the projectile hit the ground
A projectile is shot from the ground at an angle of 55 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. find the horizontal component of initial velocity
A 2.10 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 20.5 cm. Find the total mechanical energy of the system
A body of mass 2.65 kg moves along the x-axis, and its motion is described by the equation x = 6 sin (13 t + 2), Find the resultant force on the body at t = 0.100 s
A 6-kg bucket of water is being pulled straight up by a string at a constant speed. What is the tension in the rope
A hiker, who weighs 900 N, is strolling through the woods and crosses a small horizontal bridge. What is the magnitude of the force
A long straight horizontal wire located on the equator carries a current. What direction should current be
Two identical clocks are set to 12 noon time when on the ground at rest relative to the ground. What will the moving clock read if the first clock reads 6 p.m.
A string fixed at both ends is 8.98 m long and has a mass of 0.125 kg. What is the longest possible wavelength for a standing wave
A rope, under a tension of 370 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern. What is the speed of the waves on the rope
The armature of an arc generator has 200 turns. Each turn is a rectangular loop with a cross section area of 0.02m^2. What is the magnetic field strength
A uniform magnetic field is aligned with the axis of a solenoid having a radius of 0.25m. What is the induced emf in the coil
Two long parallel wires seperated by 50cm both carry currents of 4.0 A in the same vertically up direction. Find the magnetic field midway between the wires
You are looking in the directly into one end of a long solenoid. The magnetic field at its center points at you. What is the direction of the current in the solenoid
a charge of 80 mC moves with a velocity of 7*10^7 m/s in a magnetic field of 0.6T which is oriented at an angle of 30 degrees above the horizontal plane
a proton moves vertically upward perpendicular to a uniform magnetic field and deflects to the right as you watch it. What is the direction of the magnetic field