A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 45 kg girl on skates, assuming they cling together after the collision what is speed? Calculate answer to one decimal.

Q: A glass has a mass of 280.54g When it's empty,and 542,6g when filled with water.Determine the volume…

A: Empty glass mass, m=280.54 g  Mass when glass is filled with water, M=542,6 g  So mass of water in…

Q: Show work

A:

Q: A heart beats 264 beats in 3 minutes. What is the unit rate?

A: Unit rate = Total number of heartbeatTotal time

Q: find dof of a ball in planar and spatial cordinate

A: Required :  Degree of freedom of a ball in planar and spatial coordinate.

Q: READING: T1 (C) |T2 ('C) 20 V(mv) 41 60 20 9.9 80 20 14.9 100 20 20 RUSULTS: 1. Draw the…

A: Let ΔT denotes the temperature difference and V denotes the voltage to the corresponding temperature…

Q: A 60 kg man pushes off from the 71kg block on ice and slides away at a speed of 4 m/s What is the…

A: Mass of man, M=60kg Mass of block, m=71kg Speed of man, V=4m/s Let Speed of block be v.

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??

Q: What is the height in meters of a 3 foot 3.0 inch tall person ?

A: Given:-  The height of the person is h = 3 foot 3.0 inch  Find:-  The height in the meter?

Q: question I need help finding out why The equation turns into that answer. it is all in the picture…

A:

Q: find lagrnJEs equation b.

A: Given,  Lq.,q,t= q.4-q2q= q.4-qLagrangian equation  is given as d dt∂L∂q.-∂L∂q=0+1=1

Q: whats the mass of a hydrogen proton?

A: To give : Mass of hydrogen proton

Q: Consider two concentric conducting shells of radii R1 and R2 respectively. We will fill the gap…

A: Given:Radius of inner circle, R1 radius of the outer circle, R2 resistivity of the dielectric,…

Q: A car is dr giving down the highway at 25 m/s what is the car's speed in km/h?

A: Given data:  Speed of a car (v) = 25 m/s Required: Speed of the car in km/h

Q: You have a man 100kg and a gorilla 150kg, if the man can lift 90kg, what can the gorilla lift?…

A: If scaling is to be performed, as mentioned in the question, notice that man can lift weight which…

Q: The mass of an ear ring is 600mg. This mass in S.I. system is Oa. 600 x 10 kg Ob. 600 x 10³g Oc 69 O…

A:

Q: How we get 0,46?

A: It is given that,                         The mass of the block, m=2500 grams=2.5 kg.…

Q: In the higure. the long straight wire carries a current of 30 A and the rectangular loop carries a…

A: Scenario - A loop and a wire are placed in Y-Z plane such that loop is a little far from the wire.…

Q: calculate <9144

A: Wavefunction In Quantum Mechanics, the wavefunction of a particle is a mathematical function that…

Q: A 60 kg man pushes off from the 114kg block on ice and slides away at a speed of 2 m/s What is the…

A:

Q: Shouldn't r be squared

A:

Q: Convert the following quantities as indicated:

A: Given;  From the following,  Convert the quantites into following as indicated in the blanks ?

Q: 5. A fan turns off when rotating at 850 rpm and makes 1,350 revs until it comes to a complete stop.…

A: The equation of motion is given by ω2=ω02+2αΔθ Here, ω is the final angular speed, ω0 is the initial…

Q: George O'Malley weighs 150 kg and he is riding his car going to Manila as it moves to a speed of 15…

A: The mass m=150kg  The speed =15m/s  To find the kinetic energy

Q: A multiple tackle / pulley is used to lift a 20kg load with a force of 40N. If the length of the…

A: Given : Mass of a pulley (m) = 20 kg Force (F) = 40 N Length of the rope (L) = 3 m

Q: slide 7.8 meters long makes an angle of 33º with the ground. How high is the top of the slide above…

A: Given that: The length of the slide is 7.8 m. The angle is θ=33°.   It is required to determine the…

Q: A 50 kg man pushes off from the 94kg block on ice and slides away at a speed of 3 m/s What is the…

A:

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…

A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J

Q: What is a sling shot

A: Slingshot is made of rubber belt and wooden/iron handle.

Q: If a 0.2 kg ball is thrown with a velocity of 6 m/s, what is its KE?

A: Given data:  Mass (m) = 0.2 kg Velocity (v) = 6 m/s Required: Kinetic Energy (KE)

Q: How was 3.15 derived as the Vf of the ball in the provided solution.

A:

Q: 2.31 was , thanks

A:

Q: A cannonball is launched diagonally with an initial horizontal velocity of 38.0m/s. Label the…

A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

Q: R r M

A: Given a sphere with a uniform charge distribution, the charge distribution is symmetric about the…

Q: 43. A projectile motion follows a path. * O circular O parabolic straight

A: When an object is thrown obliquely near the Earth's surface, it moves along a curved path. Such a…