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Find the correct formulation of the following problems-
Problem 1- On a spacecraft, two engines are turned on for 542 s at a moment when the velocity of the craft has x and y components of v0x = 2960 m/s and v0y = 5010 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 3.31 x 106 m and y = 4.76 x 106 m.
Part 1- Find the x components of the craft's acceleration.
Part 2- Find the y components of the craft's acceleration.
Problem 2-A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 690 m/s. The gun is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.028 m below the center.
Part 1- What is the horizontal distance between the end of the rifle and the bull's-eye?
I need help to evaluate the above problem.
A 430 gram rock is whirled on the end of a string 45 cm long which will break under a tension of 22 N. What is the radius of the circle of motion
Steam moves into the cylinder of a steam engine at a constantpressure of 2.00 x 10^5 Pa. How much work is done during one stroke
a thin spherical shel has a radius of 1.9 m an applied torque of 960 Nm gives the shell an angular acceleration of 6.2 rad/s2, what is the rotational inertia of the shell about that axis and what the mass of the shell
A 9 m, 260-N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.5, and the ladder makes a 50° angle with the ground. How far up the ladder can an 800-N person climb before the ladd..
Both systems start from rest, and the direction of the force moves with the system and always points along the 4.00 m rod. What is the angular velocity of each system after 5.28 s.
An explorer in the dense jungles of equatorial Africa leaves his hut. He takes 38 steps at an angle 45 degrees north of east, What is the direction of the displacement that will return the explorer to his hut
During heavy rain, a rectangular section of a mountainside measuring 2.8 km horizontally, 0.80 km up along the slope, What is the mass of the mud sitting above an area of 4.0 m2 in that section
A 143 O lamp, a 29 O electric heater, and a O 53 fan are connected in parallel across a 135 V line. What power is expended in the heater
A 5.0 kg, 60-cm-diameter disk rotates on an axle passingthrough one edge. The axle is parallel to the floor. The cylinder is held with the center of mass at the same height asthe axle, then released.
A disc is rotating about its center. What is the speed of rotation of the disc
The builder at the rear gets tired and suggests that the drywall should be held by its narrow side. Calculate the weight (in N) he must now carry
The drawing shows a point charge q = +0.58µC and two locations A and B. What is the electric potential differenceVB - VA between these two locations? Be sure to include the properalgebraic sign.
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