Question
In: Physics
Three objects are located as follows: 3.70 kg at (0, +12.0 m), 2.80 kg at (-16.0...
Three objects are located as follows: 3.70 kg at (0, +12.0 m), 2.80 kg at (-16.0 m, 0), and 7.40 kg at (+35.0 m, 0). Find the:
A) center of mass.
B) magnitude and direction of the force of gravity on the 3.70 kg object.
C) total gravitational potential energy of the system
Solutions
genius_generous answered 2 years agoRelated Solutions
Four objects are located as follows: 3.70 kg at (0, +12.0 m), 2.80 kg at (-16.0...
Four objects are located as follows: 3.70 kg at (0,
+12.0 m), 2.80 kg at (-16.0 m, 0), and 7.40 kg at
(+35.0 m, 0). Find the:
A) center of mass.
B) magnitude and direction of the force of gravity on
the 3.70 kg object
C) total gravitational potential energy of the
system.
Objects with masses of 140 kg and a 440 kg are separated by 0.500 m. (a)...
Objects with masses of 140 kg and a 440 kg are separated by
0.500 m.
(a) Find the net gravitational force exerted by these objects on
a 43.0-kg object placed midway between them.
Magnitude:
(b) At what position (other than infinitely remote ones) can the
43.0-kg object be placed so as to experience a net force of
zero?
m from the 440-kg mass
Objects with masses of 165 kg and a 465 kg are separated by 0.390 m. (a)...
Objects with masses of 165 kg and a 465 kg are separated by
0.390 m. (a) Find the net gravitational force exerted by these
objects on a 41.0 kg object placed midway between them. magnitude?
direction? (b) At what position (other than infinitely remote ones)
can the 41.0 kg object be placed so as to experience a net force of
zero?
A truck with a mass of 1350 kg and moving with a speed of 12.0 m/s...
A truck with a mass of 1350 kg and moving with a speed of 12.0
m/s rear-ends a 821-kg car stopped at an intersection. The
collision is approximately elastic since the car is in neutral, the
brakes are off, the metal bumpers line up well and do not get
damaged. Find the speed of both vehicles after the collision.
vcar = ___________________ m/s
vtruck = ____________________ m/s
The masses and coordinates of three spheres are as follows: 22 kg, x = 1.25 m,...
The masses and coordinates of three spheres are as follows: 22
kg, x = 1.25 m, y = 2.25 m; 34
kg, x = -1.00 m, y = -3.25 m; 56
kg, x = 0.00 m, y= -0.75 m. What is the
magnitude of the gravitational force on a 16 kg sphere
located at the origin due to the other spheres?
The masses and coordinates of three spheres are as follows: 22 kg, x = 1.25 m,...
The masses and coordinates of three spheres are as follows: 22
kg, x = 1.25 m, y = 2.25 m; 34
kg, x = -1.00 m, y = -3.25 m; 56
kg, x = 0.00 m, y= -0.75 m. What is the
magnitude of the gravitational force on a 16 kg sphere
located at the origin due to the other spheres?
A 4.20 kg steel ball strikes a wall with a speed of 12.0 m/s at an...
A 4.20 kg steel ball strikes a wall with a speed of 12.0 m/s at
an angle of 60.0° with the surface. It bounces off with the same
speed and angle. If the ball is in contact with the wall for 0.200
s, what is the average force exerted by the wall on the ball?
(Assume right is the positive direction.)
Billiard ball A of mass mA = 0.122 kg moving with speed vA = 2.80 m/s...
Billiard ball A of mass mA = 0.122 kg moving with speed vA =
2.80 m/s strikes ball B, initially at rest, of mass mB = 0.145 kg .
As a result of the collision, ball A is deflected off at an angle
of θ′A = 30.0∘ with a speed v′A = 2.10 m/s, and ball B moves with a
speed v′B at an angle of θ′B to original direction of motion of
ball A.
1) Solve these equations for...
Billiard ball A of mass mA = 0.116 kg moving with speed vA = 2.80 m/s...
Billiard ball A of mass mA = 0.116 kg moving with speed vA =
2.80 m/s strikes ball B, initially at rest, of mass mB = 0.135 kg .
As a result of the collision, ball A is deflected off at an angle
of θ′A = 30.0∘ with a speed v′A = 2.10 m/s, and ball B moves with a
speed v′B at an angle of θ′B to original direction of motion of
ball A. Solve these equations for the...
The masses and coordinates of three particles are as follows: 20.0 kg, (0.50, 1.00) m; 361.0...
The masses and coordinates of three particles are as follows:
20.0 kg, (0.50, 1.00) m; 361.0 kg,
(-1.00, -1.00) m; 54.0 kg, (0.00, -0.50)
m. What is the gravitational force on a 20.0 kg
sphere located at the origin due to the other spheres, magnitude
and direction? Give the direction as an angle in degrees counter
clockwise with respect to the the + x-axis.
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