Cyclists in the United Kingdom reach speeds of 34.0 miles per hour (mi/h) on flat sections of the road. What is this speed in (a) kilometers per hour (km/h) and (b) meters
Q: 5. An old rope can now only safely suspend 120 kg. When the rope is tied to a beam, it hangs down…
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Q: 8. Two forces F, and F, act on an object with mass m = 5 kg as shown in the figure. Suppose the two…
A: Given data: F1 = 20 N F2 =15 N Need to determine the acceleration vector.
Q: man inside the elevator stands in a weighing scale and weighs 120 N when stationary. What will be…
A: According to Newton's second law Net force F = ma
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Q: The tension in the cable in Fig 4 is?
A: Step 1:Step 2: Step 3: Step 4:
Q: spring got stretched?
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Q: 3. A block initially traveling at 2 m/s to the right slides 3 m before it comes to rest. What is the…
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Q: 7. A 105 kg scaffold is 5.20 m long. It is hanging with two wires, one from each end. A 560 kg box…
A: The given system is shown below.
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A: Given data: The mass of the flower pot is, m= 6.20 kg The angle between the sloping wire with…
Q: 3) Three athletes are tugging on a ring. Illyana pulls with a force of 150 N directly north. Evelyn…
A: Force exerted by Illyana = 150 N j^Force exerted by Evelyn = 100 N i^Force exerted by Violet = 200 (…
Q: 3. A bird tries to lift a worm by flying 47 degrees above the horizontal once it grabs it. If the…
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Q: Find the tension in each of the three cables supporting the traffic light if it weighs 160 N. 41°…
A: Weight=160N
Q: 1. Three blocks (m;=1.0 kg, m2=2.0 kg, m3=3.0 kg) are on a surface with a friction coefficient of…
A: Given quantities: masses of three blocks : m1 = 1.0 kg , m2 = 2.0 kg , m3 = 3.0 kg coefficient of…
Q: 10 ft FIG. P3.5 A |--3 FIG. P3.6 -3 m 2 k/ft 20 ft 100 KN |3m| B 20 kN/m -6 m- 15 ft B
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Q: An 8.0 kg object moving with an initial velocity of 8.0 m/s on a surface comes to rest due to…
A: m = 8 kg Initial velocity (v) = 8.0 m/s Horizontal distance (x) = 10 m g =10 m/s2
Q: 7. A 1250 kg car accelerates from rest to 6.13 m/s over a distance of 8.58 m. Calculate the average…
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Q: The Fig. Q1b below shows forces F1, F2 and F3 acting on a particle P. Determine the resultant force…
A: F1→=7cos30°i^+7sin30°j^F2→=13cos60°i^+13sin60°j^F3→=-11cos20°i^-11sin20°j^ The Resultant force,…
Q: M F a A block is pushed up a frictionless incline by an applied force as shown. If F= 29.7 N, M =…
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- The figure shows two 1.00kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250g . The entire assembly is accelerated upward at 5.5m/s2 by force F. What is the tension at the bottom of rope 1?Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 27.0 N, and ? = 33.1°. What are the weights w1 and w2? (Need help getting w2. 44.42 N is the wrong answer). w1 = 49.44 N w2 =16. A block is pushed up a frictionless 30° incline by an applied force as shown. If F-25 N and M= 3.0 kg, what is the magnitude of the resulting acceleration of the block? 30 30°
- 4. A system similar to the Atwood Machine contains two masses m₁ = 6.0 kg and m2 = 8.0 kg. Find the acceleration of the masses. m12. This problem pertains to the diagram on the right. Two dock workers pull a 1500 kg boat. FA=40.0 N %3D 45.00 5 19 - 37.0° FB = 30.0 N a) What is the sum of force A and force B? Give the x and y components, in units of Newtons. b) What is acceleration of the boat? Give the x and y components, in units of m/s2. c) What is the magnitude of the boat's acceleration, in units of m/s2? d) What is the direction of the boat's acceleration? Give your answer as an angle measured relative to the x axis1. An 85 kg man lowers himself to the ground from a height of 10.0 m by holding ont a rope that runs over a frictionless pulley to a 65 kg sandbag. With what speed does the man hit the ground if he started from rest?
- 3. A mobile is constructed of light rods, light strings, and beach souvenirs as shown in the figure below. If m4 = 12.0 g, find values (in g) for the following.(Let d1 = 4.50 cm,d2 = 6.10 cm,d3 = 2.40 cm,d4 = 4.40 cm,d5 = 2.90 cm, and d6 = 3.50 cm.) d) What If? If m1accidentally falls off and shatters when it strikes the floor, the rod holding m4will move to a vertical orientation so that m4 hangs directly below the end of the rod supporting m2.To what values should m2 and m3 be adjusted so that the other two rods will remain in equilibrium and be oriented horizontally? (Enter your answers in g.)27. A 1385 kg cannon containing a 58.5 kg cannon ball is on wheels. The cannon fires the cannon ball, giving it a velocity of 49.8 m/s north. What is the initial velocity of the cannon the instant after it fires the cannon ball? ay. mB VA VB6. The reading on the vernier caliber is: a. 1.05 cm b. 4.46 cm c. 1.06 cm d. 4.48 cm 7. For the force diagram 1 14 0 1,46 5 2 H cm scale 10 Vernier sca
- 35. A 2.0-kg purse is dropped from the top of the Leaning Tower of Pisa and falls 55 m before reaching the ground with a speed of 27 m/s. What was the average force of air resistance?10. If two objects are dropped in an environment without air resistance, what will occur? Both of the objects will fall with constant velocity O The lighter of the two objects will fall faster than the heavier. O The heavier of the two objects will fall faster than the lighter. O The objects will accelerate downward at the same rate.M 30° The pulley and all surfaces are frictionless. Suppose both blocks are made of solid gold. In addition, each block has a mass of 2.08 kg. Find the tension (in N) in the connecting the two gold blocks.