Calculate the final speed of an object if its initial speed is 10 m / s....
Calculate the final speed of an object if its initial speed is 10 m / s. The object has a mass of 5 kg. Initially, it has a height of 20 meters, and it goes down to a height of 15 m. There are no dissipative forces on the object.
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Calculate the final speed of an object if its initial speed is
10 m / s....
F (10pts) An object with a mass of 0.25 kg has an initial speed of v=-3...
F (10pts) An object with a mass of 0.25 kg has an initial speed of v=-3 m/s. Two different forces are applied to the mass at different times as recorded in the plot. What will be the final velocity, Vi, of the mass after the 5 seconds? t(s) 1 2 3 4 5
e SI entum is kg x m/s. The momentum of an object is always positive. 10...
e SI entum is kg x m/s. The momentum of an object is always positive. 10 pts Question 11 A2.9-kg cart moving to the right with a speed of 5.2 m/s has a head-on collision with a 5.2-kg cart that is initially moving to the left with a speed of 9.6 m/s. After the collision, the 2.9-kg cart is moving to the left with a speed of 3.7 m/s. What is the final velocity of the 5.2-kg cart? Equation: miui...
A truck with a mass of 1710 kg and moving with a speed of 14.0 m/s...
A truck with a mass of 1710 kg and moving with a speed of 14.0 m/s rear-ends a 613 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 in meters per second. m/s truck m/s car As shown in the figure below, object m, = 1.50 kg starts...
do all please. 1. A 20 Kg cart moving at 10 m/s collides with a 10...
do
all please.
1. A 20 Kg cart moving at 10 m/s collides with a 10 Kg cart moving at 20 m/ s. The two carts stick to each other after the collision. Calculate the final speed of the carts just after the collision if () They were moving in the same direction direction (i.e. thefaster bumped the slower from behind) (ii) They were moving at 90° respect to each other. (ii) They were moving at 30° respect to each...
A m= 5.0 kg block slides on a flat, smooth track with an initial speed of...
A m= 5.0 kg block slides on a flat, smooth track with an
initial speed of vi= 6 m/s. The block slides down a rough incline
that has a vertical height of h = 4 m onto another flat, smooth
track. The block’s final speed is vf= 10 m/s. How much energy is
lost to friction on the block as it slid down the incline?
An m 5.0 kg block slides on a flat, smooth track with an initial speed...
A car is moving at a speed of 60 m/s, when the driver applies the brakes,...
A car is moving at a speed of 60 m/s, when the driver applies the brakes, which causes a deceleration of 2 m/s2. How many seconds will it take for the car to stop and how far will it travel till it stops? 30 sec, 450 meters 25 sec, 800 meters 30 sec, 1800 meters 20 sec, 900 meters 30 sec, 900 meters Flag this Question Question 192 pts You throw a ball downward from a height of 5 meters...
9) A 2 kg object is thrown vertically upward with an initial velocity of 10 m/s....
9) A 2 kg object is thrown vertically upward with an initial velocity of 10 m/s. (a) What is its velocity at a point halfway to the maximum height it will attain? (a) What is the total time required for it to return to its initial position? (c) What is its acceleration at the maximum height? (d) What is its average speed during the complete trip? (neglect air resistance
a 1 kg object is moving at 10 m/s. to double its kinetic energy, its speed...
a 1 kg object is moving at 10 m/s. to double its kinetic energy, its speed should be increased to approximately (?) a. 20 m/s^2 b. 7 m/s c. 14 m/s
A mass of 20 kg has an initial velocity of 3 m/s and a final velocity...
A mass of 20 kg has an initial velocity of 3 m/s and a final velocity of 5 m/s. a) What was the change in kinetic energy in this system? b) How much Work was done? c) Assume that the mass is being influenced by a constant force. The mass travels a distance of 40 meters. What is the value of the force influencing it? d) What is the acceleration of the mass?
A 5.0-kg block slides from an initial speed of 8.0 m/s to a final speed of...
A 5.0-kg block slides from an initial speed of 8.0 m/s to a final speed of zero. It travels 12 m down a plane inclined at 15: with the horizontal. Determine the entropy change of the block-inclined plane-Earth system for this process if originally the block and the inclined plane were at 27 degree C. Why did the block stop?
F (10pts) An object with a mass of 0.25 kg has an initial speed of v=-3 m/s. Two different forces are applied to the mass at different times as recorded in the plot. What will be the final velocity, Vi, of the mass after the 5 seconds? t(s) 1 2 3 4 5
e SI entum is kg x m/s. The momentum of an object is always positive. 10 pts Question 11 A2.9-kg cart moving to the right with a speed of 5.2 m/s has a head-on collision with a 5.2-kg cart that is initially moving to the left with a speed of 9.6 m/s. After the collision, the 2.9-kg cart is moving to the left with a speed of 3.7 m/s. What is the final velocity of the 5.2-kg cart? Equation: miui...
A truck with a mass of 1710 kg and moving with a speed of 14.0 m/s rear-ends a 613 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 in meters per second. m/s truck m/s car As shown in the figure below, object m, = 1.50 kg starts...
do
all please.
1. A 20 Kg cart moving at 10 m/s collides with a 10 Kg cart moving at 20 m/ s. The two carts stick to each other after the collision. Calculate the final speed of the carts just after the collision if () They were moving in the same direction direction (i.e. thefaster bumped the slower from behind) (ii) They were moving at 90° respect to each other. (ii) They were moving at 30° respect to each...
A m= 5.0 kg block slides on a flat, smooth track with an
initial speed of vi= 6 m/s. The block slides down a rough incline
that has a vertical height of h = 4 m onto another flat, smooth
track. The block’s final speed is vf= 10 m/s. How much energy is
lost to friction on the block as it slid down the incline?
An m 5.0 kg block slides on a flat, smooth track with an initial speed...
A 5.0-kg block slides from an initial speed of 8.0 m/s to a final speed of zero. It travels 12 m down a plane inclined at 15: with the horizontal. Determine the entropy change of the block-inclined plane-Earth system for this process if originally the block and the inclined plane were at 27 degree C. Why did the block stop?
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