Explain how can the coefficient of restitution of a given material can be taken into account in the design of safety equipment for sports. How does doing so reduce the likelihood of impact-related injuries?

Q: 3- In an electron diffraction experiment using graphite the larger ring formed by rows of carbon…

A: As per guidelines we are allowed to answer only first three part of  question. if question have more…

Q: h power (E

A: Given: Surface area of Ashcraft is 1.9 m2 Emissivity is 1 Temperature is 37oC or 37+273=310 K

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: If a 0.010 C charge is moving throough a 0.6 T magnetic field

A: Given: Charge on particle is q=0.010 C Magnetic field is B=0.6 T Velocity of particle is v=305 m/s…

Q: If a force acts perpendicular to the direction of motion of a body, what is the amount of work done?…

A: C is correct

Q: When laser light of wavelength 632.8nm passes through a diffraction grating, the first bright spots…

A: Given: In this question, the given details are, When the laser light of wavelength 632.8 nm passes…

Q: 01a. A 72 N force is applied to a 11 kg box on rough level ground. The coefficient of friction…

A: A free-body diagram for a body under the influence of external forces is the situation where this…

Q: A drum rotates around its central axis at an angular velocity of 11.3 rad/s. If the drum then slows…

A: The equations that relate the components of angular motion are ωf = ωi+αt ωf2-ωi2 = 2αθ, where ωf…

Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure…

A: let q1 = 2.8 x 10-6 Cq2 = 7 x 10-6 Cq3 = 4 x 10-6  C

Q: In the following diagram, the current passing through 20 Ohm is 1.5 A. 19. What is the current…

A:

Q: Four equal +2.00-µC point charges are placed at the corners of a square 4.00 m on each side. (k =…

A:

Q: 1. Can objects in a system have momentum while the momentum of the system is zero? Explain.

A: Given :- can objects in a system have momentum while the momentum of the system is zero .

Q: Find the number of turns a solenoid coil with length of 0.06 m should have in order to produce a…

A:

Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: An infinitely long wire is uniformly charged. The voltage difference from r 2 m and r= 4 m is 30…

A: Given:    An infinitely long wire --- uniformly charged.    Voltage difference (ΔV) (between r1 = 4m…

Q: Not understanding

A:

Q: The total time a projectile spends in the air along its trajectory A. air resistance В. trajectory…

A: Answer is D

Q: 3. a quantity that describes the rate of motion in the y direction A. horizontal component of…

A: As we know that rate of motion is speed . But according to the question,  we have asked the rate of…

Q: 2) Swimmers at a water park have a choice of two frictionless water slides as shown in the figure.…

A:

Q: Problem #1) Determine the moment of forces about point 0. F3=75 lb X- 15⁰ 6'-0" Y F₂ = 50 lb 90° Y…

A: Forces F1 = 25 lb,  F2 = 50 lb, F3 =  75 lbdistance between origin and point O (d) = 6 ft

Q: 17. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10…

A:

Q: The block in the drawing has dimensions LO×2L0×3L0.where Lo =0.3 m. The block has a thermal…

A: Give Thermal conductivity = 100j/s-mC  Delta T = 21- 12 ° C = 9 ° c

Q: 4. One on end of a pipe with a diameter of 5.00 cm, the pressure is 100 kPa and the speed of the…

A: Fluid mechanics.

Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

A:

Q: 4. When is the magnetic flux maximum? zero? 5. A loop of wire in the form of a square 1.50 m on each…

A:

Q: A conducting bar of length 0.25 m and mass of 0.34 kg is pulled to the right with a Force of 3.0 N.…

A: Write a given values of this question. L=0.25mm=0.34kgF=3.0NB=0.750TR=50Ω

Q: Given that 1² ex dx = · [²³³ ex dx = e³ - e, use this result to evaluate 3ex +4 dx

A:

Q: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: 6&7 please

A:

Q: 5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical…

A: Given, star X is located 20 light-years from earth star Y is located 40 light-years  from earth…

Q: 3. We will repeat the previous problem using energy arguments. Comment: Mechanical energy is…

A: The given yo-yo is made up of two solid disks, each of mass M, so the total mass of the yo-yo is 2M.…

Q: 7. "The wider the road, the more cars can pass through". Which of the following factors affecting…

A: We need to tell which factor affecting the resistance fits the given analogy.

Q: 7. Solve for unknown parameters 30

A: solution is given as

Q: thanks for the help

A:

Q: 3. Determine whether the corresponding system is linear, time invariant and causal. Show block…

A:

Q: What is the height of mercury level in a barometer which is set up in a sealed cabin on the moon…

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…

Q: A flux of 25 X10^5 Maxwell links with a 1500 turn coil when a current of 3 A passes through the…

A: Given,ϕ=25×105 WbN= 1500I= 3AA) Inductance, L=NϕlL= 1500×25×1053= 1250×106 HL= 1250×106H

Q: Moving charge generates a magnetic field. A) True B) False

A:

Q: A convex lens has a focal length of 17 cm. A candle with a height of 4 cm is 10 cm

A: Focal length of convex lens is f=17 cm Height of object is ho=4 cm Object distance is u=10 cm…

Q: How long will it take a 417 W heater to raise the temperature of 4982 g of water from 17°C to 43°C…

A: