The operating speed of a personal computer is 200 gigahertz. This is one-third the speed of a newer model. Find the speed of the newer personal computer.

Q: A 10 kg toy roller-coaster car is 9 meters above the ground and moves at a speed 15 m/s. What is the…

A:

Q: Compute the kinetic energy of an 1800 lb automobile traveling at 30 mi/hr, How many times as great…

A:

Q: A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a…

A: Kinematics.

Q: The graph shows the electrical energy consumption of a typical household over the period of 24 h,…

A: Power:  Power can be defined as the time rate of consumption of energy. Mathematically, P=∆E∆t where…

Q: A force of 2 pounds is required to hold a spring 2.4 inches beyond its natural length. How much work…

A: Given: force applied, F = 2 pound displacement, S  = 2 inch

Q: An object has kinetic energy of 85 J. If its speed is 4.2 m/s, what is its mass?

A:

Q: /hat is the speed of a 0.145kg baseball if its kinetic energy is 109J?

A: As we know, the kinetic energy is given by, K = 12mv2 where m is the mass and v is the velocity of…

Q: The mass of a Ford F-150 truck is M. If the truck is moving with speed s, what is the kinetic…

A: Given Mass = M = 2020 kg Speed = s = 60 mi/hr We have to calculate kinetic energy.

Q: The combined mass of the a car and its passenger travelling at 71 km/hr is 1487 kg. Find the kinetic…

A: Combine mass of car and passenger is m = 1487 kg.  Speed of car = 71 km/hr V = 71 x (5/18)  m/s

Q: 38. When a 5-kilogram mass is lifted from the ground to a height of 10 meters, the gravitational…

A: when the object from its initial position is lifted by height h on earth then the gravitational…

Q: If an object of mass 47 kg has a kinetic energy of 142 j, what is its velocity?

A:

Q: kWh = ___________ a) 3.6 × 106 J b) 3.6 × 105 J c) 0.36 × 106 J d) 0.36 × 105 J

A: A

Q: If an object of mass 37 kg has a kinetic energy of 120 j, what is its velocity?

A:

Q: A conveyor belt uses 5 newtons​ [N] of force to move a 34 kilogram​ [kg] box to a velocity of 2.05…

A: We know As force is constant, Work done would be : W=Force.displacement=F.d=5dAnd as box reaches a…

Q: Which of the following is a correct unit of energy? O kg m/s^2 O kg m^2/s O kg m^2/s^2 kg^2 m/s^2

A: Energy is the same as work.  Work = Force × displacement Force = Mass × acceleration

Q: An object has kinetic energy of 73 J. If its speed is 8.1 m/s, what is  its mass?

A: Given data: -  The kinetic energy of the object is E = 73 J. The speed of the object is v = 8.1…

Q: The work W done when lifting an object varies jointly with the mass m of the object and the square…

A: Answer:- The problem statement suggests that the work W varies jointly with the mass m and the…

Q: A man is transporting a trolley of mass 6 Kg and has Kinetic energy of 40 J. Compute the Velocity…

A: Mass of trolley, m=6 Kg  Kinetic energy, K.E =40 J  We have to find velocity  .

Q: An object has kinetic energy of 73 J. If its speed is 8.1 m/s, what is its mass?

A:

Q: A 100 kg mass is lifted 1.8 m. What is the potential energy of the mass (in J)?

A:

Q: Romeo throws 5 gram pebbles at Juliet's window. The pebbles hit the window at 2.7 m/s. How fast (in…

A:

Q: Let's return to our ball-Earth example, only now let's examine a case where a ball is rising in the…

A: Near the Earth's surface, the gravitational potential energy of a system consisting of the earth and…

Q: A motorcycle is moving at 14 m/s when its brake is applied, bringing the cycle to rest in 4.1 s. To…

A: Given The initial speed of the motorcycle is u = 14 m/s. The time is taken by the motorcycle to…

Q: A computer uses 1.62 x 10^4 J in one hour. What is the power used?

A: The energy usage of device is 1.62 ×104J in one hour.    Power is the rate with respect to time at…

Q: A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How…

A: We know thatWorkdone=force×displacement

Q: How fast (in meters per second) must an iron ball with a mass of 44.0 g be traveling in order to…

A: The energy gained by an object for being in motion is known as the kinetic enrgy of that object. To…

Q: An object has kinetic energy of 61 J. If its speed is 6.6 m/s, what is its mass?

A: Kinetic energy is the energy possessed by an object as a result of its motion. Essentially, it is…

Q: Erample 2 Compute the kinetic energy of a body mass 2 kg moving with a speed of 0.1 ms.

A:

Q: A force of 2 pounds is required to hold a spring 2.4 inches beyond its natural length. How much work…

A: Periodic motion is a type of motion that repeats itself after a finite amount of time. Simple…

Q: An object with mass 99 kg is moving at the velocity of −3.6 m/s. What is its kinetic energy in the…

A:

Q: Convert the following: 365 miph to m/s 98 rev/min to rad/s 4585 kJ/kg to BTU/lb

A: According to question we need to convert unit of given quantity.

Q: The kinetic energy of a moving object is KE = 1/2 mv2, where m is the mass and v is the speed. An…

A: Given data:  Mass (m) = 0.22 kg Kinetic energy (KE) = 0.59 million joules Required:  The speed of…

Q: Ten seconds after being dropped from rest, a free-falling object will be moving with a speed of…

A:

Q: A baby carriage is sitting at the top of a hill that is 21 m high.  The carriage with the baby has a…

A: Given:   Height of hill  h=21 m   Mass of carrage with baby  m=1.5 kg

Q: If an object of mass 38 kg has a kinetic energy of 232 j, what is its velocity?

A: Data provided:  Mass (m) = 38 kg Kinetic energy (KE) = 232 J Required: The velocity of the object

Q: A 20,744kg railroad freight car travels on a level track at a speed of 6.1m/s. It collided and…

A:

Q: From a building which is 60 meters height, a ball was thrown horizontally with kinetics energy of 45…

A: Given Data: Building height, h=60 m Initial K.E., Ki=45 Joules or J Ball mass, m=300 g=0.3 kg…

Q: 0.25 kg mass is placed on a vertically oriented spring that is stretched 0.56 meters from its…

A:

Q: What is the Kinetic Energy of the car with a mass of 0.032 kg as it exits the track? KE = 1/2mv

A: Given- Mass of car (m)= 0.032 Kg Let take "v" is velocity of car by which it exits from the track.

Q: If an object of mass 22 kg has a kinetic energy of 226 j, what is its velocity?

A: Given  Mass of the object ,M= 22 kg  Kinetic energy of the object, K= 226J  Velocity,V =???

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –