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Three forces, 1, 2, and 3, all act on an object, as shown in the figure.The magnitudes of the forces are: F1 = 80.0 N and is 300 below positive x axis, F2 = 60.0 N and it makes 900 with positive x azis, and F3 = 40.0 N and it makes 1800 with positive x axis. The resultant force acting on the object is given by
a. 180 N at an angle of 60.0° with respect to +x-axis.b. 40.0 N at an angle of 60.0° with respect to +x-axis.c. 20.0 N at an angle of 34.3° with respect to +x-axis.d. 35.5 N at an angle of 34.3° with respect to +x-axis.e. 60.0 N at an angle of 90.0° with respect to +x-axis.
A bat strikes a 182g ball with a force of 109-N at an angle of 57° above the horizontal. What is the ball's vertical acceleration (positive for upward, negative for downward).
Two slits spaced 0.445 mm apart are placed 55.0 cm from a screen. What is the distance among the second and third dark lines of the interference pattern on the screen when the slits are illuminated with coherent light by a wavelength of 540 nm?
The object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.
A RC circuit is to be wired for testing using a 33 ohm resistor anda 100 mirco farad capacitor. Calculate the expected time constant
A guy is jumping a 800m wide river. He starts 120m above the river and the landing is 110m above the river. What speed should he take off in order to clear the river
The hail comes straight down at a mass rate of m/?t=0.069 kg/s and an initial velocity of v0= -15 m/s. calculate the magnitude of the force exerted by the hail on the roof
A d = 4.40 mm diameter wire carries an electric current of I = 13.4 A when the electric field is E = 6.22×10-2 V/m along the wire. What is the resistivity of the wire
2.0 kg of ice melts into liquid water at 0 C. What is the change of Entropy of the ice (water)
How long will it take a charged 80-μF capacitor to lose 20% of its initial energy when it is allowed to discharge during a 45-Ω resistor?
In a series RLC circuit, the resistance is 50 ?,the capacitance is 75 µF and the inductanceis 70 mH. The AC generator provides an rmsvoltage of 100 V operating at 1000 rad/s. 1. Find the power supplied by the source. Answer in units of W.
A box is sliding down a plane inclined at an angle of 20degrees from the horizontal. what is the speed of the box three sec later
An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
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