At what temperature must 0.845 kg water be allowed to come to thermal equilibrium with a 1.85-kg cube of aluminium initially at 150 °C to lower the temperature of the aluminium to 65.0 °C? Assume any water turned to steam

Q: A 75.0 Kg person stands on a scale that reads 500. Newtons. The person is pulling on a rope that is…

A: The tension in the rope T=mg-N  =75.0 kg×9.81 ms2-500 N  =236 N

Q: The 500-kg crate is supported by the three cables. Find the tension in cable AD.

A: The weight of the load will be supported by the three ropes which will have tension in them pointing…

Q: F e. A block with a mass of 25.5 kg is moving at constant velocity because a force of 138 N is…

A:

Q: The cable supporting a 30 kg box has a maximum strength of 294 N. What maximum downward acceleration…

A: Given: mass of box, m=30 kg Maximum strength, F=294 N

Q: The figure below shows a bird feeder that weighs 152.3 N. The feeder is supported by a vertical…

A: This is clear from the given conditions that the bird feeder is static so let us assume T1   Bottom…

Q: In the circuit shown below, V=4V, 1 = 4 A, R1 = 3 2 and R2 = 17 Q2. Using either superposition or…

A: Find Vx

Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once…

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45…

Q: The direction of the acceleration, when Fj and F2 are applied to a 5 kg crate; F¡ is 6N due north…

A:

Q: asses m1 = 15 kg and m2 = 10 kg are suspended by the cable system shown in the figure. Cable BC is…

A: We know that we have given that the  The masses m1 = 15 kg and m2 = 10 kg are suspended by the cable…

Q: For this question, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from…

A: Given, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from the…

Q: mil n m2

A: m1 = 5 kg m2 = 7 kg

Q: Q4: Calculate the magnitudes of unknown forces for particle equilibrium. F2 4 kN 10 kN 25 24 30° 30°…

A:

Q: A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the…

A:

Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…

A:

Q: A driver tells passengers to buckle their seatbelts, invoking the law of inertia. In a few…

A: Newtons first law of motion. A body will   not change its motion unless any unbalanced force act on…

Q: Determine the acceleration of the cable drawn into the motor to make the load B attain a speed of 8…

A: Given, Speed at load, vB=8m/s Time, t=3s Length of string 1, SB+2SB-SC=l13SB-2SC=l1 Time derivative…

Q: corre hacia acả v constante rueda hacia ac An acrobat who is on the lateral surface of a cylinder,…

A: Hey dear have a look

Q: wo blocks joined by a string have masses of 6 and 9 kg. They rest on a frictionless horizontal…

A: Step 1:Given the mass of the two blocks are m1=6 kg and m2=9 kg.A force of F=30 N is applied on a 9…

Q: A 0.15 kg marble is on a track. It is being held at the top of a hill that is 10 m high. If it is…

A: According to the conservation of energy, energy of an isolated system is conserved. i.e. energy can…

Q: A 1.9-kg block slides down a frictionless ramp. The top of the ramp is h1= 1.9 m above the ground;…

A:

Q: In the diagram below, the mass of the object is 50.0 kg. What is the weight value of the object?

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Q: A soccer ball (mass = 0.40 kg) is kicked from the ground and given an initial velocity of 21 m/s at…

A:

Q: The cable supporting a 2105 -kg elevator has a maximum strength of 23260 N. What maximum upward…

A: Given that,Mass of the elevator, m=2105 kgMaximum strength, T=23260 NWe know that,Tension, T=mg+awe…

Q: You are standing in a moving bus, facing forward, and you suddenly fall forward. This happens…

A: Inertia is defined as a property of matter by which it remains at the state of rest or in uniform…

Q: An elevator cab is moving downward by a cable. The total mass of the cab is 1950 kg. Find the…

A: Since the cab move with constant speed so the tension in the string is  T=mg  m=1950kg g=9.8 m/s2

Q: 5- If F = 40 N and M 15 kg, what is the tension in the string connecting M and 2M? Assume that all…

A: For mass 2M, From Newton's second law, we have          -F + T = 2Ma Where T is tension and a is…

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: A boy has a weight of 80 N on the moon, where g = 1.6 m/s2. The mass of the boy is O a. 50 kg O b.…

A: Given : W = 80 N g = 1.6 m/s2

Q: A cart ( m=2012 g) is moving horizontally due to a horizontal tension force applied by a string. If…

A: Given data: Mass of cart, m=2012 g=2.012 kg Acceleration, a=2.4 m/s2

Q: M2 FIGURE 6 Two masses mi = 3 kg and m2 = 10 kg are connected by a light string which passes over a…

A: Given Data Two masses are given as m1=3 kg and m2=10 kg Let T is the tension in the string and a is…

Q: M2 = 4 kg a m2 u = 0.1 %3D 20° 0 M1 = 10 kg What is the acceleration? What is the tension on the…

A:

Q: Consider the pulley below where m2> mı. Show that the acceleration and tension in the string are m2…

A:

Q: 20 m An incline of height 20 m and 0 = 12° has an object of mass m=1.5 kg sliding down on it. The…

A: Solution: B. The equation of motion can be written as the following.  Using Newton's second law of…

Q: Q3 Q2 Q,

A: Note: as per the policy, only the first three subpart of the question will be solved. if you want…

Q: (a) Replace the force system shown by an equivalent force-couple system with the force acting at…

A:

Q: Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi…

A: Mass of Abi is m = 55.00 kg

Q: A friction experiment is performed on a planet that has the same mass as Earth but half the radius.…

A: Write the given values with the suitable variables. Mp=MrP=r2F=15 Nm=1 kgμ=0.3 Here, Mp, M, rP, r,…

Q: n empty elevator car of a building has a mass of 1 metric ton. It has a counterweight with a mass of…

A:

Q: You place a crate of mass 27.9 kg on a frictionless 3.49-meter-long incline. You release the crate…

A: Write a given values of this question.