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If force A = (2i- 6j )N and force B= (2i+ 4j )N, If the forces A and B above are applied to a particle:
a. Calculate C so that the sum of forces is 32.5 N j.
b. Verify this graphically.
c. Draw a FBD of the particle to scale with angles.
d. Determine the mass of the object if the acceleration is 5 m/s in the Y direction.
Three 4 uF capacitors are connected in parallel across the terminals of a 120 Hz generator. What is the capacitive reactance of the circuit
q1. as part of a safety investigation two 1300kg cars traveling at 18ms are crashed into different barriers. find the
A 0.50-kg object is attached to an ideal massless spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.7 m/s at the equilibrium position.
A 7.50 kg box is pushed across a floor by a constant force applied force at 25 degrees. the box starts from rest and moves at 1.20 m/s after the box is moved 5.00 meters. The coefficient of friction is .320 What is the magnitude of the force applied ..
Physics and Chemistry Found in Vital Signs of Planet Earth
The asteroid belt circles the sun between the orbits of Mars and Jupiter. One asteroid has a period of 4.0 earth years
Estimate the electron drift velocity. Estimate the current density. Estimate the electric field in the wire.
A cyclotron designed to accelerate protons has an outer radius of 0.357 m. The protons are emitted nearly at rest from a source at the center and are accelerated through 644 V each time they cross the gap between the dees, Find the cyclotron frequ..
A uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. find the magnitude of the force on the electron from the uranium ion
Two large parallel plates are separated by 0.90cmand carry uniform charge densities equal in magnitude and opposite in sign, Find the magnitude of the charge density on the plates
A hurricane wind blows across a 7.50m × 16.4m flat roof at a speed of 180km/hr, How much force is exerted on the roof
A wedge of mass M and angle a slides freely on a horizontal plane. A particle of mass m moves freely on the wedge. Determine the motion of the particle as well as that of the wedge.
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