A small object with mass of 0.5kg is attached to the lower end of a long string and moves in a horizontal circle of radius 0.7 m with a constant speed of 3 m/s. What angle does the string make with the vertical?

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A: Given, an apple bruises if a force greater than 8.0 N is exerted on it. mass of the apple…

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Q: A typical adult ear has a surface area of 2.1×10-3m2. The sound intensity during a normal…

A: Area, A = 2.1×10-3 m²Intensity, I = 3.2×10-6 W/m²Power, P = ?

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A: As a negatively charged projectile recedes away, relative to an observer, the direction of its…

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A: To calculate the work needed to extract the liquid, one must examine each ultra-slim, disk-like…

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A: The answer is C. vector component method.The vector component method is the most accurate way to add…

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A: An ideal pulley system assumes that pulleys are frictionless and massless and that ropes are…

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A: When both switches are closed, the capacitors  and  are in parallel, and the capacitors  and  are in…

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Q: Which of the following statements is true? 8 N mm-² Stress (N mmn-²) Material A Material B

A: Materials A and B have the same Young's modulus of elasticity                   -:  Incorrect…

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A: a) The ball will fall slightly to the east of the point just beneath the position from which it was…

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Q: The coefficient of static friction is 0.60 between the two blocks in figure. The coefficient of…

A: Draw the free-body diagram of the upper block.

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Q: 20 m/s to the east relative to Earth. It collides head-on with

A: To solve for the final velocities of the balls, we can use the conservation of momentum and the…

Q: 3. When starting a race, a 680 kg vehicle runs the first 1000 m in 3 minutes, starting from rest and…

A: Mass of vehicle =680 kg Displacement travelled in 3 min =1000 m Intial velocity of vehicle =0 m/s

Q: 18° Determine the acceleration of the blocks and the tension in the string. Fo Tension: N m₂ Two…

A: The surface is frictionless.The masses are .The applied force is Fo is 25 at angle of 18o with…

Q: The 4.00 kg block in the figure is attached to a vertical rod by means of two strings. When the…

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Q: Problem 5: A car negotiates an unbanked 85.2 m radius curve at 19.9 m/s. Calculate the minimum…

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Q: How do you think this would affect your period measurements? Just that they would be more accurate?

A: Taking an average over multiple oscillations is a common practice in experiments to improve the…

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A: The length of blades are: r = 59 mThe revolutions of the blade are: N = 14 rpmThe blade's velocity…

Q: 2. Three steel bolts are to be used to attach the steel plate shown to a wooden beam. Knowing that…

A: Load, Ultimate Shearing Stress, Factor of Safety, F.S = 3.25

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Q: The intensity at a distance of 6.0m from a source that is radiating equally in all directions is…

A: Radius, r = 6 mIntensity, I = 6×10-10 W/m²Power emitted, P = ?

Q: its incorrect

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Q: A spider with a mass of m= 4.06×10−5 kg hangs motionless from three stands of web. One strand is…

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Q: Determine the net work done on block 2 when block 1 descends 10 m, there are no asperities between…

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Q: What is the intensity of sound that is 3.00 db higher than 4.00× 10-9 W/m2 sound?

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Q: 173.It has two concentric conductive hollow spheres of radii R₁-10 cm, R₁-20 cm, with charges Q₁-200…

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Q: A block of mass m 5.7 kg is pulled up a 0-24 incline as in the figure below with a force of…

A: Mass of object is Angle of inclination is Magnitude of force is Coefficient of kinetic friction is…

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A: Changing the mass ratio (MR) of an Atwood machine would have the following effects on acceleration…

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Q: walking from the center toward the rim of the merry-go-round at velocity 1

A: The Coriolis pseudoforce is a force that is felt by objects moving in a rotating frame of reference.…

Q: 468. Find the potential V(x, y) of the electrostatic field E = a(y i+xj), where "a" is a constant, i…

A: This problem can be solved using electrostatic field (E) formula in terms of potential (V).

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Q: Two blocks are pushed on a frictionless surface as shown, block A has a mass of 10 kg and block B…

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Q: a) Two waves traveling on a string in the same direction both have a frequency of 219 Hz, a…

A: a)Write the equation of the wave motion.Write the equation of the wave motion which differs in…

Q: Make force diagrams for the following situations. Draw & label forces as arrows with appropriate…

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Q: 45) Which nuclide X would properly complete the following reaction: on +92U235= 36 Kr94 +X+3on¹ OA)…

A: 0n1 + 92U235  = 36Kr94 + X + 30n1In any chemical reaction mass, total mass of reaction reamains…

Q: Apply these steps to the following problem: A crate is pulled up a rough inclined wood board by Part…

A: This is the problem of motion of object in inclined plane.