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A bead with mass 1.8 x 10-2 kg is moving along a wire in the positive direction of an x axis. Beginning at time t = 0, when the bead passes through x = 0 with speed 12 m/s, a constant force acts on the bead. Figure indicates the bead's position at times t0 = 0, t1 = 1.0 s, t2 = 2.0 s, and t3 = 3.0 s. The bead momentarily stops at t = 3.0 s. What is the kinetic energy of the bead at t = 10s?
An ambulance has a siren of frequency 700 Hz. If the ambulance is moving at a speed of 60 miles per hour, what will be the frequency heard by a man standing on the sidewalk as the ambulance approaches him
An astronaut arrives at a new planet, and gets out his simple device to decide the gravitational acceleration there. Prior to this arrival, he noted that the radius of the planet was 6940 km. If his 0.600-m-long pendulum has a period of 1.0 s, what i..
A spaceship is going to park between two stationary planets C and D that are separated by 20 meter. Determine how far from planet C should the spaceship be
A ship sets out to sail to a point 196 km due north. An unexpected storm blows theship to a point 114 km due eastof its starting point. How far must it now sail to reach itsoriginal destination?
Neutral hydrogen can be modeled as a positive charge of 1.6 x 10 ^-19 (the proton) surrounded by a spherically symmetric distribution of negative charge having a volume charge density ρ=A x e^(-2r/ao), Find the net amount of charge inside a sphere ..
A dockworker applies a constant horizontal force of 89 Newton to a block of ice on a smooth horizontal floor. If the worker stops pushing after 4.60 second, determine how far does the block move in the next 5.70 second
A block of mass m = 3.07 kg is attached to a spring (k = 29.3 N/m) by a rope that hangs over a pulley of mass M = 6.14 kg and radius R = 8.81 cm. find the maximum extension of the spring
What is the energy of the inductor at that time moment and How would you change this circuit to achieve resonance?
A heat engine has an efficiency of 61.5% and it exhausts 7500 J of waste heat into the environment. How much work is performed by the previous heat engine
She moves her family to New York and begins work. Three months later, she is fired for no stated cause. Could she successfully sue for reinstatement or pay?
For a series RLC circuit with resistance 5 KOhm, capacitance 100 picoFarad, and inductance 0.025 Henry, what are the natural and the free oscillation mode frequencies
Ice at -14.9 °C and steam at 115 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 52.0 °C is present.
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