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An electron moving through an electric field experiences an acceleration of 7100 × 10^3 m/s^2. Find the magnitude of the electric force acting on the electron. The Coulomb constant is 8.98755 × 10^9 N·m^2/C^2 , the fundamental charge is 1.602 × 10^-19 C, and the mass of the electron is 9.109 × 10^-31 kg. Answer in units of N
Two men decide to use their cars to pull a truck stuck in mud. What is the net forward force exerted on the truck in the direction it is headed
An 800-N man stands halfway up a 5 m long ladder of negligible weight. The base of the ladder is 3 m from the wall as shown. suppose that the wall-ladder contact is frictionless, wall pushes against the ladder with a force of what magnitude.
A thin spherical shell has a radius of 2.3 m and a mass of 450 kg, and its center is located at the origin of a coordinate system. find the gravitational force of attraction between the two shells
A current of 6.0 A is drawn from the battery in the figure shown below. How much is the voltage of the battery Vab in V
if the airplane somehow continues to fly as if nothing happend, where is the engine relative to airplane at the moment the engine hits the ground.
A car of mass 1500 kg traveling at 24 m/s is at the foot of a hill that rises 115 m in 2.2 km. Find the average power delivered by the car's engine
A damped mass-spring system oscillates at 265 -Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 6.1 cm and the energy of the oscillating system is then 61.00 J.
A cube of edge length l = 3.80 cm is positioned as shown in Figure P30.35. A uniform magnetic field given by B = (5.50 i + 4.00 j + 3.00 k) T , Calculate the flux through the shaded face
In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 365 N..
q1.an underwater diver sees the sun 50 degrees above horizontal. how high is the sun above the horizon to a fisherman
Suppose you're building a scale model of the hydrogen atom, How many miles away (1 mi = 1.61 Ã- 105 cm) should the electron be placed
Consider an alternating current of the form i(t) sin(2pit), where t is the time elapsed measured in seconds. (a) at what times is the magnitude of the current largest? (b) if this current were applied to a resistor, at what times would the magnitude ..
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