The reading of micrometer in ( mm ) is a. 4.62 0.005 b. 4.62 0.0005 0.0005 c. 2.38 d. 2.88± 0.005 오나 45 40 35 30

Q: In front of a spherical convex mirror of radius 55.1 cm, you position an object of height 3.64 cm…

A:

Q: A 0.250 kg lump of clay is dropped from a height of 1.45 m onto the floor. It sticks to the floor…

A: Given: The mass of the clay: m=0.250 kg Hight from where it is dropped: 1.45 m

Q: Tornado Siren. The frequency of a tornado siren is 920 Hz. If a cyclist  is moving toward the siren…

A: Given data:  The frequency of the stationary source (f) = 920 Hz Speed of the cyclist (vo) = 10 m/s,…

Q: Problem 2: A square loop, length L on each side, is shot with velocity vo into a uniform magnetic…

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Q: Complete Solution: Copy and answer. Box the final answer. 1.) An engineering student wants to build…

A: (1). Given, Force of the crate, F1 = 1815 N Force on small piston, F2 = 442 N Small piston area, A2…

Q: A casting of mass 150 kg is lifted 4 meters in 15 seconds by means of a crane. What is the power?

A: Given data The mass of the casting is given as m = 150 kg. The casting is lifted up to h = 4 m. The…

Q: A square wire with 2 m sides is perpendicular to a uniform magnetic field, with half the area of the…

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Q: Certain spiral galaxy is 9.9 Mpc away from us. How fast in km/s is this galaxy moving away from us?…

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Q: Certain spiral galaxy is 10.6 Mpc away from us. How fast in km/s is this galaxy moving away from us?…

A: Given,  Distance of Galaxy is = 10.6 Mpc The value of Hubble constant = 71 km/s/Mpc We need to…

Q: How much power in Watts is required to lift a 75.0kg mass through a height of 1.85m in a time of…

A: Given data:  Mass (m) = 75.0 kg Height (h) = 1.85 m Time (t) = 3.00 s Required: The power (P)

Q: When light travels from air into water, its velocity, wavelength and frequency all change. its…

A: Given data:  Light travels from air into water Required: The effect on velocity, frequency and…

Q: In a-----------------------hologram

A: Denisyuk Hologram

Q: 0.3 Suppose the average daily metabolic rate for certain types of animals can be expressed as a…

A: The average daily metabolic rate for certain types of animals can be expressed as a function of mass…

Q: Q.5: Point charges are located at the corners of a square of side d as shown in the figure. Given:…

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Q: 9. Which field event combines athletes' speed, strength, and agility in attempt to leap as far as…

A: Answers 1) Option D : Sprint  Sprint is a term used to describe a short race. 2) Option B : Jumps…

Q: If the fifth order minimum in the diffraction pattern of a thin slit is at 40 degrees from the…

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Q: If a charged particle initially kept at rest experiences acceleration, which of the following…

A: It is given that, A charged particle is initially kept at rest experiences acceleration. We know…

Q: A 0.02 kilogram bullet is launched with a muzzle velocity of 880.44 meters per second. It is fired…

A: Given: The mass of the bullet is 0.02 kg. The launch velocity of the muzzle is 880.44 m/s. The mass…

Q: A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing…

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Q: Two cars approach an extremely icy four-way perpendicular intersection. Car A travels northward at…

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Q: Required information In a refrigerator, 1.60 mol of an ideal monatomic gas is taken through the…

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Q: 12 4. Atwood's machine consists of two masses connected by a string that passes over a pulley, as…

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Q: An LC circuit is built with a 50 mH inductor and an 16.0 pF capacitor. The capacitor voltage has its…

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Q: ydrogen atom emits a photon when its electron shifts from a higher energy level to a lower one.…

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Q: An electron is accelerated from rest through a potential difference of 3.00 kV. What is its final…

A: Given data:  Initial velocity (u) = 0 m/s Potential difference (ΔV) = 3.00 kV Mass (m) = 9.109×10-31…

Q: Find the cross-sectional area of an inductor with 20 turns and a length of .314 m. The resistance of…

A:

Q: The drawing shows an intravenous feeding. With the distance shown, nutrient solution (p = 1040…

A: GIVEN-            density of nutrient solution ( ρ = 1040 kg/m3 )              h = 0.610 m

Q: A wire coil of 30 turns has a cross-sectional area of 12 cm2. The coil is placed in a uniform field…

A: Given data: The number of turns, N=30 The area of the coil, A=12 cm2=12×10-4 m2 The magnetic field…

Q: It is generally a good idea to gain an understanding of the size of units. Consider each object and…

A: We need to find the momentum for each given case.

Q: Modern commercial airliners are largely made of aluminum, a light and strong metal. But the fact…

A: Given,  r1 = 6.5 m  L = 70.7 m Total volume of metal that the fuselage is made up of is V = π(r22 -…

Q: PROBLEM The near point of a patient's eye is 50.0 cm. (a) What focal length must a corrective lens…

A: Givennear point=50 cma)image distance, v=-50 cmobject distance, u=-25 cmusing lens formula1f=1v-1u…

Q: A negative lens with a focal length of -15 cm is 25 cm from a positive lens with a focal length of…

A: Given,  u = -15-25 = -40 cm f = 20 cm

Q: An object is 50 cm from a concave mirror of radius of curvature of magnitude 80 cm. How far is the…

A: Given data:  A concave mirror  Object distance = 50 cm Radius of curvature (R) = 80 cm Required: The…

Q: Suppose a strong wind is blowing toward Denver (elevation 1630 m) from Grays Peak (80 km west of…

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Q: A traction device employing three pulleys is applied to a broken leg, as shown in the sketch. The…

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Q: A box rests on a 20 degree incline with a coefficient of friction 0.4.  Calculate the magnitude of…

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Q: The figures below show two different situations where a current may be induced in a loop according…

A: a) true loop is moving towards magnet so increment in flux to oppose this increment induce current…

Q: Two objects of equal mass m undergo a completely inelastic collision (see the figure below). Prior…

A: Apply the momentum conservation equation along the x-axis to determine the relationship between…

Q: Find the energy released in the alpha decay of 22086Rn (220.01757 u). (Hint: 21684Po has a mass of…

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Q: Which of the following statements are correct? (There could be more than one correct choice.)…

A: Explanation-               Chromatic aberration is produced when light passes through a material, as…

Q: One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to…

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Q: The earth moves around the sun in a nearly circular orbit of radius 1.50 x 10¹1 m. During the three…

A: a) Write the expression for the circumference of the circular orbit. C=2πR Write the expression for…

Q: 3. Two kids on a seesaw: Two kids, each of mass 40 kg, sit on a seesaw. The seesaw has a mass of 15…

A: Calculate the length of the seesaw. L=2×1.5 mL=3 m

Q: The beam in the figure it’s 6.0 meters long and has a mass of 15kg. A crate with a mass of 30kg…

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Q: A 1.00-cm-high object is placed 4.30 cm to the left of a converging lens of focal length 8.45 cm. A…

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Q: A 4.10-kg box of books is lifted vertically from rest a distance of 1.60 m with a constant, upward…

A: Given data:  Mass (m) = 4.10 kg Height (h) = Δy = 1.60 m Upward applied force (Fapp) = 52.7 N…

Q: The input pressure on a hydraulic lift is 1200 Pa. If the output force on the other side is 800 N,…

A: Given data:  An hydraulic lift  Input pressure (P1) = 1200 Pa Output force (F2) = 800 N Required:…

Q: An inductor and a resistor are connected in parallel to an AC source. If the current through the…

A: Givencurrent through resistor, IR=IRocos(ωt)and inductor and resistor are in parallel to each other

Q: A car battery is rated at 1,020 AH (i.e., amps x hours). Calculate the number of coulombs this is…

A: Charge = current ×time Q= amp×hour Q= (1.020)amp×(3600)seconds Q=(3672) amp×seconds

Q: A marble pf mass m = .500 kg and radius .05 m is rolling along a loop-the-loop track of radius 2.00…

A:

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.