A child jumps from a moving sled with a speed of 2.5 m/s and in the direction opposite the sled’s motion. The sled continues to move in the forward direction, but with a new speed of 6.3 m/s. If the child has a mass of 38 kg and the sled has a mass 63 kg, what is the initial velocity of the sled?

ineedhelp2285   ·   25.01.2022 14:10
ANSWER(S): 1 Show answers 4 Сomment
answered: bibi43232
14.07.2019 22:10

where is the

answered: hanpscl
03.07.2019 06:30

an electric circuit

answered: alicemareus
02.07.2019 17:00

not moving. pos accel,

The position-time graph describes the motion of a moving object. describe the motion represented by
answered: AutumnJoy12
02.07.2019 03:00

be subject to a force andchange its motion

Other questions on the subject: Physics

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resis...
21.06.2019 21:50
1 answer(s)
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the...
21.06.2019 22:30
The h line in calcium is normally at 396.9 nm. however, in a star's spectrum, it is measured at 398.1nm. how fast is the star moving and is it moving towards the earth or away from...
21.06.2019 23:30
3 answer(s)
1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of...
22.06.2019 03:00
2 answer(s)
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?...
22.06.2019 07:00
1 answer(s)
The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules...
22.06.2019 10:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your...
22.06.2019 14:30
1 answer(s)
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep...
22.06.2019 19:00
An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude...
22.06.2019 21:20
Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c. part aby how many degrees celsius must you increase the temp...
23.06.2019 01:10
1 answer(s)
The amount of potential energy possessed by an elevated object is equal to...
23.06.2019 01:30
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope...
23.06.2019 02:10
1 answer(s)
Top questions today