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A 25 cm tall glass of 12 cm diameter and weighing 2.0 N is pushed on at a height h above the table. If the coefficient of frictionμ_k= 0.30 between the glass and table,at what maximum height h can the glass be pushed if it is not to tip over?
a nonconducting plate with infinite dimensions carries a uniform surface charge density of 9.1 microccm2. what is the
A 75 kg solid sphere with a 19 cm radius is suspended by a vertical wire attached to the ceiling of a room. A torque of 0.35 N m is required to twist the sphere through an angle of 0.75 rad. What is the period of oscillation when the sphere is releas..
A capacitor has a capacitance of 250 nF and a voltage is placed across it which grows as a function of time as: V(t) = 240 mV/s3 × t3
During the spin-dry cycle of a washing machine, the motor slows from 95 rad/s to 30 rad/s while the turning the drum through an angle of 402 radians. Find the magnitude of the angular acceleration of the motor
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. when it reaches the end of the ramp, which has length 118m
A model rocket is constructed with a motor that can provide atotal impulse of 21.0 N·s. The mass of the rocket is 0.243kg. What is the speed that this rocket achieves when it is launchedfrom rest? Neglect the effects of gravity and air resistance.
a particle with mass m and energy e is moving in one dimension from left to right. it is incident on the step potential
The figure below shows a thin-lens representation of a compound microscope (not to scale). The objective produces a real image I of object O just inside the focal point F1 of the eyepiece. Image I then acts as an object for the eyepiece, which pro..
In a hydro-electric power station, water falls through a 75 mpipe at the rate of 1500 kg s^-1 (kilograms per second) How many megawatts of electric power could be produced by the power plant ifit is 80% efficient?
A 190? resistor is connected to an AC source withE0 = 14V. What is the peak current through the resistor if the emf frequency is 100 Hz
A mass less spring with force constant k = 225 N/m is oriented horizontally and fixed on one end. Calculate the work done on the block by the spring
Human skin is most sensitive to ultraviolet light of approximate wavelength 300 nm. Find the energy of a single photon of such light
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