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: What is rotation operation?

A: An operator that represents the rotation in a field is known as rotation operator. This is the three…

Q: (),-), Show that: He, %3D as as

A: The given quantities in the problem are known as thermodynamic potentials, and are used to represent…

Q: Why is overall stopping distance for cars less than lorries

A: Stopping distance depends on , frictional force acting on the tire by the ground. Normally it does…

Q: Who is the father of computer

A: Charles Babbage

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: Father of computer

A: Charles Babbage

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A:

Q: One of your summer lunar space camp activities is to launch a 1190 kg rocket from the surface of the…

A: ∆U=GMmR-GMmR+h      =GMm1R-1R+h where M is mass of moon m is mass of rocket R is radius of moon h is…

Q: tubular cross- section toroid An ideal toroid with inner radius b and outer radius and carrying a…

A: Given, Magnitude of magnetic field B=μ0NI2πr and area segment dA=2πrdr

Q: Describe how to change from degrees to radians, and from radians to revolutions.     A motorcycle…

A: Write the given values with the suitable variables. ωi=2000 rpm=200060 rps=33.33 rpsωf=11000…

Q: 44. The dot product is used to determine the I. angle between two vectors. I. projection of a vector…

A: Note :- We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: how did it become 6.92?

A: Given that, the resistance of the resistors are R4=1kΩ=1000ΩR5=2kΩ=2000Ω the voltage drop across R4…

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A: A vector's magnitude tells us how long it is, whereas its direction tells us in which direction it…

Q: A wheel turns 2 revs in 4s. What is w?

A:

Q: 2,3,1

A:

Q: Calculate the force between two phones each with a distance of 0.7 meters apart and a mass of 0.45…

A: Gravitational Force of attraction F =Gm1m2r2

Q: Describe how the period of the orbit depends on the depends on the orbital eccentricity, e.

A: We know through kepler's laws that :- The average distance of a planet from the sun cubed is…

Q: What role does a vector's curl have in the context of an application?

A: In the context of vector calculus and applications in physics and engineering, the curl of a vector…

Q: 3) A soccer player kicks a ball straight up in the air at 18 m/s. a. What is the ball's total…

A: Given: The initial speed of the ball is 18 m/s vertically upward.

Q: 27. Resting against the frictionless inside wall of a cone rotating about its vertical axis at…

A: Part (27): Given: The surface is frictionless. The object is moving at a constant speed.

Q: What is a right handed co-ordinate system?

A: Right handed co-ordinate system is a cartesian coordinate system where the third axis is determined…

Q: it turned out to be wrong

A: Distance of object = distance between earth and sun = u = 150,000,000 kmHeight of object = diameter…

Q: gh Platter uk=0.2 tater from the Center raximum velocity ate wLout the

A: Fcent=Ffrictionmrωmax2=μkmgωmax=μkgr

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A:

Q: puld you please help me on #77? thank you so much.

A: Let σ1, σ2, and σ3 denote the given respective surface charge densities. Let x0 and y0 denote the…

Q: A non-zero resultant force will always produce what?

A: Introduction: In everyday life Newton’s laws of motion plays a crucial role. Newton’s three laws of…

Q: L at i а d'i i с

A: The magnitude of magnetic force is given by The direction of magnetic force is given by Fleming's…

Q: Potential energy versus x A C х (m) Figure 2 Potential energy versus position (r) n

A: Turning point are those when the kinetic energy is completely converted into potential energy.…

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A: if this is a multi select question  then A and D also could be the Answer .

Q: 1. What is the x component of A'? 2. What is the y component of A'? 3. What is the y component of B?

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: ghout the yea

A: Given: Rope's tension is 505 N.

Q: Is the average swimmer taller than the average volleyball player?

A: Average tallest players are basketball players and then comes volleyball players .

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: Two resistors of the same resistance 52 are connected in a manner as shown below. Th connection will…

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A:

Q: wave paths to a distant screen are shown, leaving the slits at angle ₁. (The screen is so far away…

A: The wavelength of light is 624 nm.  (1) Every semi circle wavelet represents a wave front. Wave 1…