I need help with 3 and 4 only, Thank You...
Q: A pair of knife has its blades 15cm long, while its handles are 7.5 cm long. Calculate its…
A: Given: Load arm = 7.5 cm Effort arm = 15 cm. Solution: Mechanical advantage of a lever is the ratio…
Q: Rey is exerted a 500-N force to push the table across the 5meter floor. If he finished it in 10…
A: Given Force, F = 500 N Distance, D = 5 meter Time ,T = 10 sec
Q: A weight lifter raises a 963 N weight a vertical distance of 1.87 m. Compute the work done by the…
A:
Q: A ball starts from rest from a hill of height 15.0 meters, when the ball gets to the bottom of the…
A: Given Data: Initial velocity of ball is u=0. The height of hill is h=15 m. The time taken is,…
Q: I beleive there is an error in getting to the solution. 0.1kg is 100g. The work here shows 0.1kg =…
A:
Q: 50 W of power is required to to lift a barbell in 5 sec, How much work is done?
A: Power delivered on the system is equal to rate of work done on the system.
Q: How much work is done lifting a 20 pound object from the ground to the top of a 50 foot building if…
A: Weight = 20 pounds Weight per foot = 2.5 lb/ft Height = 50 ft Workdone, W = ?
Q: A conductor carrying a current I= 10.0 A is directed along the negativex axis and perpendicular to a…
A: It is given that,
Q: To bring a very big ship to a stop, its engines are typically cut off about 25 kms from port. Why?
A: A very big ship has an enormous large amount of mass , due to this its momentum will be very…
Q: Use
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Q: A flower vase on a table slides off horizontally with a speed of 1.50 m/s. It statter in pieces on…
A: Given data: Initial velocity (u) = 1.50 m/s, horizontally Time (t) = 0.450 s Required: The height of…
Q: Imagine we have created layers of ice on the surface of a platform and then propped it up at an…
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Q: what is the power required to lift a 3 kg bag of nails 5 m in 10 s?
A: Mass (m) = 3kg Height (h) = 5m Time (t) = 10s
Q: A circular swimming pool has a diameter of 14 m, the sides are 3 m high, and the depth of the water…
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Q: A 150 pound (68 kg) student races up the stairs, traversing a total height of 12 feet (3.7 meters)…
A: GIVEN :- Mass of the student = m = 150 pond = 68 kg total height travelled = h = 12…
Q: Afarmer has a 200 kg barrel that he must pull up a ramp to a helght of 5 m. His old horse can apply…
A: Given information: Here, m is the barrel’s mass, F is the maximum force applied on the barrel for…
Q: A spring is 37 cm long. It is stretched by a force of 12 N until it is 51 cm long. How much energy…
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Q: An object has kinetic energy of 74J. If its speed is 5.2 m/s, waht is its mass? Gravity is 9.8ms and…
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Q: A system having a mass of 50 kg is raised to a height of 50 m. If the system is raised to its final…
A: mass (m) = 50 kg height (h) = 50 m time taken (t) = 2 minutes = 120 seconds
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 shot putter hrows a 6kg shot with a final velocity of 7m/s. What is the kinectic energy of the…
A: Given that, A shot putter throws a 6 kg shot with a final velocity of 7 m/s Mass = 6 kg Velocity =…
Q: A force of 140 N is required to push a table 5.0 meters across a level floor. How much work was…
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Q: |11. A current I= 15 A is directed along the positive x-axis ur and perpendicular to a magnetic…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A 2,263 kg car accelerates from rest to a velocity of 20 m/s in 13 seconds. The powwer of the engine…
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Q: Answer the following concisely, in no more than three sentences. If an object is in equilibrium (no…
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Q: If an object of mass 46 kg has a kinetic energy of 225 j, what is its velocity?
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Q: The equation yı = 10- sin(6.6t - 0.2x) represents a plane wave travelling in a medium along the…
A: (d)y1=10-4 sin (6.6 t-0.2 x)y0=10-4 ; ω=6.6 rad/ms=ω=6.6×103 rad/s ; K=0.2 rad/cm=20 rad/mwhen y1…
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: An object of mass 8 kg falls form the top of a building 84 m high. What is its kinetic energy (in…
A: Given: The mass of an object is m=8 kg. The initial height of building is h1=84 m. The final height…
Q: A 1-kg object is dropped from a he ight of 100 m. What is its potential energy?
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Q: A force of 50 N streches a certain spring by 20 cm. The spring constant is
A: Given data : Force that caused the stretching of spring, F = 50 N…
Q: A 3,000-kg truck leaves a freeway on a circular exit of radius 50 m at a speed of 15 m/s. What…
A: Given values:- Mass of a truck (m) = 3000 kg Radius (r) = 50 m Speed (V) = 15 m/s Centripetal…
Q: (b) What is the pressure increase in the fluid in a syringe when a nurse applies a force of 10 N to…
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Q: As you see in Fig.5, a block of mass m = 0.59 kg is supported by a light rope that wraps around a…
A:
I need help with 3 and 4 only, Thank You...
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