(1) Two bullets are fired, one 0.020 kg from a 5kg riffle, the other 0.015 kg, from a 2 k revolver. Which one has a bigger recoil and how much? to 22m orld look to 30

Q: The distance of the object is 30 cm, the image distance is 60 cm. What is the focal length of this…

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Q: In front of a spherical concave mirror of radius 48.4 cm, you position an object of height 4.37 cm…

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Q: (a) Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic…

A: See below

Q: 1. The hip is stabilized, in part, by the gluteus medius muscle. Figure (a) represents a person…

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Q: A pure carbon archaeological artefact has an age of 20000 years and an activity of 6 counts/min.…

A: The objective of the question is to find the activity of a pure carbon archaeological artefact at…

Q: Question 2: A 100 N box is held by two cables, AC and BC. (a) Find the tensile force of each cable…

A: Weight of the box,

Q: How does a coffee thermos control convection so as to keep coffee hotter longer? A Conduction is…

A: How does a coffee thermos control conduction so as to keep coffee hotter longer? (A) Conduction is…

Q: 4) In this graph of potential energy vs. x, the horizontal line represents the total mechanical…

A: Using potential energy vs x graph:Total mechanical energy represented by horizontal line is:Emech =…

Q: An aluminum rod is 25.0 cm long at 40.0 \deg C and has a mass of 375 g. It is placed in 1.20 kg cold…

A: Length of Aluminium rod, The initial temperature of Aluminium rod, Mass of Aluminium rod, Mass of…

Q: The two masses in the figure are released from rest. After the 3.0-kg mass has fallen 1.5 m, it is…

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Q: Calculate the pressure difference, in pascals, between levels C and A, ΔP = PC - PA, for ρ =…

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Q: An airplane travels 6768 km against the wind in 9 hours and 8118 km with the wind in the same amount…

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Q: Two identical uniform solid spheres are attached by a solid uniform thin rod, as shown in (Figure…

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Q: A person exerts a 16-N force on a cart attached to a spring and holds the cart steady. The cart is…

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Q: A baseball of mass m1 = 0.26 kg is thrown at a concrete block m2 = 7.25 kg. The block has a…

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Q: An inductor with inductance L is connected to an AC source.  If the AC source provides a voltage…

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Q: An amoeba is 0.305 cm away from the 0.300 cm-focal length objective lens of a micro- scope. (a)…

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Q: Waves of frequency 230 Hz and amplitude 1.2 cm move along a 20 m string that has a mass of 0.060 kg…

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Q: A proton moves with a speed of 0.90c. Find the speed of an electron that has: a) the same momentum…

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Q: Question 5: A mass of 0.50kg is attached to a spring of constant 30N /m. The mass is pulled 10cm…

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Q: Problem 15.39 4 of 5 Review Two cars A and B have a mass of 2.1Mg and 1.2Mg, respectively. Part A…

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Q: Calculate the energy released in the following nuclear fission reaction: 239Pu + n → 98Tc + 138Sb +…

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Q: A tank of gasoline (n = 1.40) is open to the air (n = 1.00). A thin film of liquid floats on the…

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Q: Two 490 g blocks of wood are 2.0 m apart on a frictionless table. A 9.0 g bullet is fired at 430 m/s…

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Q: An airplane is flying at 120 m/s [NE]. The pilot performs a 180° turn in 60.0 s without changing…

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Q: (II) The 1/² form of Coulomb's law implies the following: (i) The electric field is zero at all…

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Q: 2. In this problem we are going to analyze the ballistic pendulum. The process is as follows: a…

A: We know that the momentum is conserved when there is no net external force acts on the system.  From…

Q: A single-loop circuit consists of a 7.42 resistor, 12.0 H inductor, and a 3.3 μF capacitor.…

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Q: A cylindrical bar magnet of radius 1.00 cm and length 10.0 cm has a magnetic dipole moment of…

A: The magnetic dipole moment of the bar magnet is given by

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Q: An electron jumps from the n = 4 to the n = 1 level in the hydrogen atom. In a second atom and…

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Q: 3. Alicia, who has a mass of mA = 70 kg, works at recieving in a warehouse. A box of mass mg = 40 kg…

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Q: tionary 1.2 kg steel ball B. After the collision. steel ball A is moving at 3.3 m/s [E 30°

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Q: Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New…

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Q: The average body temperature of a healthy person is  37.0°C.  Boltzmann's constant is 1.38 × 10−23…

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Q: The position of an object connected to a spring varies with time according to the expression x =…

A: X = (5.3 cm) sin (7.9πt)

Q: An object is 6 cm in front of a converging lens with a focal length of 10cm. Draw a ray diagram (to…

A: The lens is convergingObject distance, u= 6cmFocal length of the lens, f=10cm

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Q: Please refer to part (c). Here, the triangle is isosceles, and alpha (the angle at the top of the…

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Q: A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz. At one instant,…

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Q: A long, narrow steel rod of length 2.5000 m at 25.8°C is oscillating as a pendulum about a…

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Q: On one side of a converging lens of focal length 27.6 cm, you position an object of height 3.09 cm…

A: Focal length of converging lens is Height of object is Height of image is Find:Object distance.

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Q: 5. A block of mass me is at the top (h from the bottom) of a movable wedge with angle and mass mw.…

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Q: A 1.88-m (6 ft 2 in.) man has a mass of 81 kg, a body surface area of 1.8 m², and a skin temperature…

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Q: To reduce recoil, many modern rifles are equipped with a recoil mechanism. That is, the portion of…

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Q: How much heat transfer is required to raise the temperature of a 0.750kg aluminum pot containing…

A: a)The heat required is given by,where, = initial mass of water=2.50 kg=mass of water after boiling…

Q: Show that the magnitude of the magnetic field B along the positive z-axis through the center of a…

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Q: Consider an organ pipe 1.72 m long that has one open and closed end. What is the funda- mental pitch…

A: Length of organ pipe                               Speed of sound

Q: Speakers A and B are in a straight line with a person (P) with the closer speaker B located 2m from…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”