Question

the picture below shows the velocity versus time graph of the first 21 seconds of a race between two friends, “red” and “green.” (a)who passes the 100m marker first?

Expand

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Mechanical Engineering

Classical Mechanics

Related Mechanical Engineering Q&A

Find answers to questions asked by students like you.

Q: The shear shown is used to cut and trim electronic circui 30° 300 mm 30°/ 45 mm 60 mm D

A: We can see from the figure that the link BD is a 2 force member. To solve this question, let us draw...

Q: During steady motion of a vehicle on a level road, the power delivered to the wheels is used to over...

A: Write the given data:

Q: M1 B A 1.5 m -2 m 2 m- P1 1.5 m A frame consists of members AB and BC pinned together with an intern...

A: Click to see the answer

Q: When removing the balance shaft assembly: tech a inspects the bearings for unusual wear or damage. T...

A: Balance shafts are serviced in the same way as crankshafts.there are two main causes of removing or ...

Q: Question 5: Two disks A and B each have a mass of 1 kg and the initial velocities shown just 0.5, de...

A: Click to see the answer

Q: The rod is supported by ball-and-socket joint D and cables AB, AC. Suppose that F = 800 N and x = 5 ...

A: Click to see the answer

Q: 2–67. Represent each cable force as a Cartesian vector. 2m B FE = 350 N Fc = 400 N F = 400 N 2 m 3 m

A: Given Tension in the cable FC = 400 N FE = 350 N FB = 400 N To find Forces in cartesian form  

Q: Draw the three Mohr’s circles that describe the following state of stress.

A: Given Data: The stress in x-direction is σx = 400 psi. The stress in x-direction is σy = -300 psi. ...

Q: How does the thermal efficiency of an ideal cycle, in general, compare to that of a Carnot cycle ope...

A: The Carnot cycle have the maximum thermal efficiency of all heat engines operating between the same ...

Q: A rectangular plate swings from arms of equal length as shown. What is the magnitude of the angular ...

A: The given diagram shows a rectangular plate attached to two arms. The arms are having an angular vel...

Q: 15-86. Two smooth billiard balls A and B each have a mass of 200 g. If A strikes B with a velocity (...

A: The systematic diagram of the balls is shown below, Conserve the momentum along the x-direction. ∑m...

Q: 3–5. If the moment produced by the 4-kN force about point A is 10 kN m clockwise, determine the angl...

A: Given data: The applied force, F = 4 kN. The moment produced is, M = 10 kNˑ Apply the moment about...

Q: Calculate to the correct number of significant figures. 9.15/4.970

A: Given Data: The given number N1 = 9.15 The given number N2 = 4.970 The number of significant figur...

Q: Find slope and deflection in beam at point C shown in figure below. Assume that modulus ofelasticity...

A: Click to see the answer

Q: *13-24. The column is built up by gluing the two boards together. Determine the maximum normal stres...

A: Given data as per the question Force P=50 KN Height of block 1 =250+50 =300 mm calculate the centro...

Q: Question 1: The 10-kg block shown in the figure rests on the smooth incline. If the spring is origin...

A: Click to see the answer

Q: P2-9. set up the dot product to find the magnitude of the projection of the force F along a-a axes. ...

A: Express the force F in Cartesian vector form.

Q: Question 4: The 40-kg boy in the figure slides down the smooth water slide. If he starts from rest a...

A: Click to see the answer

Q: In a Pelton-wheel turbine, a stream of water is deflected by a series of blades so that the rate at ...

A: vA = velocity of water coming out of a nozzle V = velocity of blade u = velocity of water relative t...

Q: A gas is contained in a vertical, frictionless piston– cylinder device. The piston has a mass of 5 k...

A: Given: The mass of the piston is mP=5 kg. The cross-sectional area of the piston is A=35 cm2. The at...

Q: Consider a pulley system shown below. Assume there is no slip between the cord and the pulley. I is ...

A: Click to see the answer

Q: Consider the following steady, incompressible, twodimensional velocity field: V-›= (u, ? ) = (4.35 +...

A: The velocity field is given by                      Vx.y=4.35+0.656xi+-1.22-0.656yj         (1) For ...

Q: Rectilinear TranslationKinetics of Rectilinear Translation

A: The given problem will be solved in following steps: 1.The relation ship between the acceleration of...

Q: ON 3 A brass rod AD (see figure) has a cross-sectional area of A- 250 mm' and is loaded by forces P ...

A: Given: Cross sectional area of the rod AD is A=250 mm2 and forces acting are P1=15 KN, P2=10 KN and ...

Q: A torque of magnitude T= 4 kN·m is applied at end A of the compos-ite shaft shown. Knowing that the ...

A: Steel core:          c1=12d1=0.027mJ1=π2c41=π2×0.0274=834×10-9 G1J1=834×10-9 ×77.2×109=64.44 ×10-3Nm...

Q: The net work output of this power plant is simply the difference between the total work output of th...

A: The work-producing device that best fits into the definition of a heat engine is the steam power pla...

Q: Determine (a) the x, y, and z components of the 900-N force, (b) the angles θx, θy, and θz that the ...

A: Ans(a) To find the component of 900N in x,y,z direction To resolve the 900N component in 65° Fk=Fcos...

Q: The cab and motor units of the front-end loader shown are connected by a vertical pin located 2 m be...

A: Ans(a)  Let us consider reaction at the front wheel at A is NA the reaction at the front wheel at B ...

Q: 4. Find the all the support reactions and all the internal forces in all the members and whether in ...

A: Click to see the answer

Q: Problem 6. The 80-kg mass is supported by three wires concurrent at D (2, 0. -1). The wires are atta...

A: Click to see the answer

Q: A heat pump with refrigerant-134a as the working fluid is used to keep a space at 25°C by absorbing ...

A: Let 'm˙ref' be the mass flow of refrigerant. Heat is absorbed from geothermal water flowing at the r...

Q: Find the value of P and the distance x so that the bar AB remains horizontal. Take the radius of the...

A: The 2000 N weight acting on the left rod. The force P and the distance x from A needs to be calculat...

Q: Steam at 6 MPa and 500°C enters a two-stage adiabatic turbine at a rate of 15 kg/s. Ten percent of t...

A: Given data: Steam entry condition = 6 MPa , 500°C                    Steam bled condition = 1.2 MPa ...

Q: The velocity profile in fully developed laminar flow in a circular pipe of inner radius R = 2 cm, in...

A: Given data: The inner radius is, R = 2 cm. Velocity profile, u(r) = 4(1 – r2/R2). Write the genera...

Q: During flow over a given body, the drag force, the upstream velocity, and the fluid density are meas...

A: Drag force is the resistive force exerted by a fluid due to its motion. Drag force is supposed to ac...

Q: Please label fractured surface by using the answer provided.

A: Click to see the answer

Q: A pressurized tank of water has a 10-cm-diameter orifice at the bottom, where water discharges to th...

A: In order to proceed with the given problem, the following assumptions need to be taken into consider...

Q: The 9.0 kg sphere A is held at an angle of 60° as shown, and then is released from rest and hits the...

A: GIVEN: * 9.0 kg sphere A *angle of 60° *4.5 kg sphere B *coefficient of restitution is e = 0.75 * an...

Q: Problem #1 [1 1 Let A = |1 -1 Lan- 1 1 11 -1 a) Find the adj of A b) A

A: Click to see the answer