Think Inquiry: A car is moving with a velocity 20 m/s [E 200 N], over 20 second the driver change the car acceleration to 50 m/s [N150 W], use cos sin law to calculate the change of the car velocity then calculate the car's acceleration.
Q: 5. Show that the kinetic energy of a particle of mass m is related to the momentum p of that…
A: We can express kinetic energy as - KE=12mv2 .....(1) Where, m = Mass of the object v = Velocity…
Q: 3. A potential energy function is shown below. a) A 250 gram mass is released from rest at x=3 m.…
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Q: 2.) An object has a mass of 30kg and is moving at a velocity of 20m/s. How much force is required to…
A: Write the given values with the suitable variables. m=30 kgu=20 m/sv=0 m/sT=2 s Here, m, u, v, and T…
Q: d) If I begin the motion by displacing a mass of 4kg by 12.5cm, draw a graph of the mass’s motion if…
A: The displacement of the mass at a time t is x(t)=∆x sin k1+k2m t ........................ (1) We…
Q: Food Fightl Someone throws a perfectly good hamburger across the cafeteria. What velocity does it…
A: Given data: Mass of object=0.35(kg) kinetic energy=79(J) we have to find the velocity of the object.…
Q: 14. What is the total kinetic energy of an object that is 5 kg and moving 25 m/s due West? (2 pts.)…
A: Given Mass (m) = 5 kg Speed (v) = 25 m/s Kinetic energy of the object KE = (1/2) mv2
Q: A1.0kg mass has a potential energy of 1.0J relative to the ground when it is at a height of.…
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Q: Question: Three particles A, B and C are thrown from the top of a tower with the same speed. A is…
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Q: When we double the speed of a mass , its kinetic energy ... Select one : a . doubles . b. decreases…
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Q: 4. If they are sensible computations, complete the calculations given below. If the requested…
A: The following problem is a part of units and dimension analysis (Problem 4) and remaining 5 & 6…
Q: 87. A stretched spring has greater energy and therefore greater mass than an unstretched spring.…
A: Displacement of the spring ( x ) = 20 cmForce constant of the spring ( k ) = 480 N/m
Q: 4. A Force OF 101b M the direction * motion Of an object that mares Bft 2 suonds in dres le times…
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Q: UP Us Sending spaceships to the outer regions of the solar system requires large energies. The…
A: Initial velocity of the spaceship vs→=20j^+30i^ and initial velocity of the planet vp→=45i^. The…
Q: 8.A particle is moving with a V Ct) = [(5.4) Ĉ t to.0)5 +(0€) ū I ya m/s Whatis the mgntude horizon…
A: Given that, The velocity function of the particle is v→(t)=5.4i^+8.0j^+10t2k^ m/s
Q: 1. One (1) revolution or cycle per second of an object is equal to ______. A. 1 Hertz B. 180^o…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: The following lab set-up consists of two carts on a frictionless surface. Each end of the spring is…
A: Given:- The mass of cart A is m and the other mass of cart B is 3m and both the cart are connected…
Q: 2. The motion of two particles (A am
A: Given: rA=(t2+2t)i+4(t2+3)j rA=(t2+2t)i+(4t2+12)j............(1) rB=2(-t2+6t+4)i+(10t2-19t-8)j…
Q: 1. Which answer choice below includes only scalar quantities? Distance, speed, time…
A: the scalar quantities are those physical quantites posses only magnitude and not direction. these…
Q: Choose the correct definition of " Average Acceleration". 11 O a. Change in velocity divided by time…
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Q: A 7.5 kg bird is flying 9.4 meter above the ground at a speed of 1.2 m/s. Calculate the following…
A: mass = 7.5 Kg height = 9.4 m Velocity = 1.2 m/s Kinetic Energy = 0.5*7.5*1.2*1.2 = 5.4 J
Q: Calculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg…
A: Solution:-Given that(a) mass (m) =2000 kgspeed(v)=100 km/h(b) mass=80 kgspeed (v)=10 m/s
Q: Question 38 A particle is fired vertically upward with a speed of 15 km/s. With what speed will it…
A: According to conservation of energy Total energy of isolated system remains constant. KEi + GPEi =…
Q: c) What is the object's average acceleration between t = 0 and t= 4.00 s? %3D -V:
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Q: 1- Determine the kinetic energy in kJ of a 749 kg roller coaster car that is moving with a speed of…
A: Given data : Velocity=V Mass=m To find : Kinetic energy
Q: 1. a) For a particle of mass m and velocity v, what are the momentum, and its (kinetic) energy?…
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Q: Which three of the following physical quantities are all scalars? Power, temperature, mass B A…
A: A vector quantity has both magnitude and direction, while a scalar quantity has only magnitude.
Q: Erample 2 Compute the kinetic energy of a body imass 2 kg moving with a speed of 0.1 ms.
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Q: PRINTER VERSION Chapter 13, Problem 041 4 ВАСК NEXT Your answer is partially correct. Try again. Two…
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Q: The Mach number of an aircraft that travels with a speed of 260 m/s in air at 20° C while it…
A: The speed of sound cT at temperature T is given as:
Q: What is the velocity of a 2 kg object dropped from a height of 20 m when it hits the ground, in m/s?
A: Given that-Mass, m= 2 kgHeight, h= 20 mBy using conservation of energyWe can write-Kinetic energy=…
Q: 3 What is the velocity of a 2 kg object dropped from a height of 20 m when it hits the ground, in…
A: Given that-Mass, m= 2 kgHeight, h= 20 mBy using conservation of energyWe can write-Kinetic energy=…
Q: 7) Can an object have energy without having momentum? Explair An object can have energy without…
A: Yes , an object can have energy without any momentum . The object having zero momentum…
Q: 4 rest, For car * car car 1500 kg of and then accelerates at 3.0 mass at is initially at M S the 15s…
A: Given: The mass of the car is 1500 kg. The initial speed of the car is 0 m/s. The acceleration of…
Q: The magnitude and direction of the resultant force experienced by b is... If qa= +20µC, qb = +5µC,…
A: qa = 20μC qb = 5μC qc = -35 μC qd = -15 μC Width of rectangle = 0.75 m Length of rectangle = 2 m…
Q: 4. A rod at rest has a length of 100 m. How fast must the rod be moving to fit inside a 10 m barn?…
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