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A block of mass m1 = 0.55kg is placed on top of another block of mass m2 =0.91kg, What minimum coefficient of static friction between the two blocks will prevent the upper one from slipping
Object A has a position as a function of time given by A(t) = (3.00 m/s)t + (1.00 m/s2)t2, What is the distance between object A and object B at time t = 4s?
A solenoid of length 5.4 cm and diameter 0.92 cm is wound with 167 turns per cm, What is the induced emf in the entire solenoid
A wire coil is oriented so that its plane is perpendicular to a magnetic field of 0.58 T initially pointing to the left. What is the average induced emf, if the diameter of the coil is 49 cm
Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible, What is the current in the rod
The period of a pendulum is proportional to the square root of its length. A 2.5 m long pendulum has a period of 3.0s
What is the range of wavelengths for FM radio (88 MHz to 108 MHz), What is the range of wavelengths for AM radio
A microphone is undergoing simple harmonic motion (SHM) above a 440-Hz sound source, determine the amplitude of the simple harmonic motion
A very long, straight solenoid with a cross-sectional area of 6.00cm2 is wound with 40.0 turns of wire per centimeter, What is the average induced emf in the secondary coil
A circular area with a radius of 7.80cm lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.229T that points in the +z directio
Electromagnetic waves and sound waves can have the same frequency. What is the wavelength of 1.10 kHz ectromagnetic wave
a point source of light is 3.5m below the surface of a large pool of water. what is the diameter of the largest circle on the pool's surface through which light can escape
a 1cm-tall object placed 20cm front of a concave mirror produces a virtual image that is twice the height of the object. what is the length of the mirror
You drive your 1,345-kg car at a constant speed of 23 mph a distance of 71 m down a ramp that has a grade of 14 %. Define positive direction in the forward direction
A 4.4kg ball with a velocity of 5.0m/s in the+x-direction collides head-on elastically with a stationary 2.5kg ball. What is the speed of the second ball after the collision
Consider Iron asteroid (density 7900 kg/m^3) shaped like a cylinder 5.0 km long and 3.0 km in diameter, How much fuel is required to spin up the asteroid
A student on a piano stool rotates freely with an angular speed of 3.10 rev/s. The student holds a 1.40-kg mass in each outstretched arm, 0.759 m from the axis of rotation, Calculate the initial and
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. What is the resistivity of the leaf tissue
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
An electron moves into a uniform magnetic field B = 0.182mT with initial speed with v = 12000m/s, What is the radius of the helical motion
A 65- kg child sits in a swing suspended with 3.4- m-long ropes. The swing is held aside so that the ropes make an angle of 60 o with the vertical
Two astronauts are 1.40 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves. How far away from the earth is the spaceship
A block of mass m = 600 g is released from rest and slides down a frictionless track of height h = 59.9 cm. What is the value of the spring constant k
For the circuit in the figure (Figure 1) , R = 300? ,L = 0.860H and C = 5.00?F . When the source is operated at the resonance frequency, Determine the current amplitude through the resistor
Two forces parallel to the x axis do 19.0 J of work on a small tray while moving it 17.6 m in the x direction across a gym floor, What is the other force