L•cos e L. hi

Q: An object with mass 818 grams is thrown at an angle with initial speed 2.45 m/s on a level field.…

A:

Q: Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 8.90 m/s, and…

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Q: A 5.9 x 10^5 kg United Launch Alliance (ULA) rocket is fired vertically from Cape Canaveral. The…

A: We can use the conservation of energy principle to determine the rocket's height after the first…

Q: Two objects are connected by a light string passing over a light, frictioniess pulley as shown in…

A: Using the kinematics equation and conservation of energy,

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A:

Q: Tarzan (83 kg) is swinging on a vine that is 0.8 meters long into the waiting arms of Jane below.…

A: Given,  Mass= 83kg The net force on Tarzan, F= 230N Time, t=0.2s

Q: A 5 kg block falls from rest down a 7 m high frictionless hill. It collides with a stationary 2 kg a…

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Q: F231G A single frictionless roller-coaster car of mass m 200 kg tops the first hill with speed vo =…

A:

Q: The Top Thrill Dragster at Cedar Point amusement park in Sandusky, Ohio, is one of the world’s most…

A: Given that the value of mass of the train and speed of the train and time and also given the height…

Q: Two blocks of mass 5.00kg and 3.00kg are connected via a pulley, as shown in the picture. The system…

A:

Q: The Top Thrill Dragster at Cedar Point amusement park in Sandusky, Ohio, is one of the world’s most…

A: mass of train (m) = 10.5 ton initial speed (u) = 0 msFinal speed (v) = 120 mph = 120×1609.4 m3600 s=…

Q: A pendulum consists of a 382.3 gram mass on the end of a 3.9 meter long string that swings back and…

A:

Q: A block of mass m₁ = 290 g is at rest on a plane that makes an angle = 30° above the horizontal. The…

A: Visualize the Problem:

Q: A projectile of mass m = 3.00 kg is launched with an initial velocity of 17.0 m/s at an angle of…

A: It is given that, the initial velocity of the projectile is v=17.0 m/s, the mass of it is m=3.0 kg,…

Q: A pendulum is constructed by attaching a small metal ball to one end of a string of length L = 1.45…

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Q: 2. An arrow of mass m, is fired at some upward angle so that it travels in an arc to its target. It…

A:

Q: Two crates of mass m1 = 50 kg and m2 = 24 kg are connected by a rope that passes over a massless,…

A:

Q: The Top Thrill Dragster at Cedar Point amusement park in Sandusky, Ohio, is one of the world’s most…

A: The given values are written below with appropriate variables. Here, m denotes the mass, u denotes…

Q: ht H above the floor, as shown in Figure 1.The block slides along the track with negligible friction…

A: Given:-  Mass of the block m = 0.35 kg   The block is released from rest at a height H above the…

Q: A 3 kg cart on a frictionless horizontal plane is connected with an ideal string and an ideal pulley…

A: Given,

Q: A sledgehammer of mass m = 1.1 kg falls freely vertically downward from a height of h = 2.2 m at an…

A:

Q: Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of…

A: The objective of the question is to find the maximum speed Tarzan can tolerate at the lowest point…

Q: A person standing at the top of a 7.0 m tall building throws a basketball (m = 0.625 kg) with…

A:

Q: The figure below shows 6 different situations in which a box is released from rest at the top of a…

A: Given The blocks are at rest initially The inclines are frictionless

Q: A 445 N boy swings on a 3.0 m long swing. If his horizontal speed at the lowest point is 3.0 m/s,…

A: Given  Weight of boy W=445N length of rope l=3m Speed at lowest point v=3m/s

Q: Consult Conceptual Example 9 in preparation for this problem. The drawing shows a person who,…

A: For path 1  Initial speed of person at the top of cliff , u = 0 m/s  Let the height of cliff be 'h'…

Q: A ball of mass 0.5kg is tied to a string of length 1.0 meters, and the other end of the string is…

A: The total mechanical energy of a system remains constant if the internal forces are conservative and…

Q: A girl is swinging on a swing. At the highest point, she is 3.8 meters from the ground. At the…

A:

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: It is moving up with constant Velocity

Q: I do not need the solution to the question. Just let me know why in this question conservation of…

A: Conservation of energy is only applicable for elastic collision.

Q: A stunt performer swings on a 36.5 m long cable initially inclined at an angle of 38.0° with the…

A: The objective of this question is to find the speed of the stunt performer at the bottom of the…

Q: At a post office truck loading station, a small 0.2 kg package is released from rest at point A on a…

A:

Q: Two objects (m1 = 4.70 kg and m2 = 2.85 kg) are connected by a light string passing over a light,…

A: a) The equation of motion for the two blocks, From equation (I) and (II), the acceleration of the…

Q: Att = 0, force F-=(6.30i +6.10j +3.50k)N begins to act on a 2.90 kg particle with an initial speed…

A: Given: Force F-=(6.30i +6.10j +3.50k)N begins to act on a 2.90 kg particle with an initial speed of…

Q: Box 1 (with mass m = 7.1 kg) is on a frictionless table moving with a velocity Vo = 7.1 m/s. It…

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Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given Mass of the flea (m) = 0.5 mg = 0.5×10-6 kg Length of the flea (L) = 2 mm = 2×10-3 m Height of…

Q: Croft

A: The minimum breaking strength of the vine is equal to the tension in the vine at the bottom of the…

Q: A block of mass m1=2.40kg is connected to a second block of mass m2=1.80kg. The two masses start…

A:

Q: At t=0, force F = (-4.407 +4.00 +3.50k) N begins to act on a 3.30 kg particle with an initial speed…

A: Given: Force F-=(-4.40i +4.00j +3.50k)N begins to act on a 3.30 kg particle with an initial speed of…

Q: A playground slide consists of a vertical ladder and the ramp down to the ground. The angle between…

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Q: Problem 4: During an ice show, a 67.5-kg skater leaps into the air and is caught by an initially…

A: a. according to the conservation of momentum, the final speed is…

Q: A ball of mass m= 0.38 kg is tied to a massless string of length L=1.2m. The ball is released at…

A: Given Mass of the ball is m=0.38 kg Length of the string is L=1.2 m Angle with the vertical is θ=35°…

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.