1. A rescue plane wants to drop supplies 280 m below. If the plane is travelling at a speed of 75.0 m/s, what is the magnitude of the velocity of the supply when it lands? m/s

Q: You are observing the poles along the side of the road. You have already stopped and measured the…

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Q: 1- A 1.0 kg box on a 30° incline is connected to a 3.0 kg box on a horizontal surface. The…

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Q: A toy car of mass m is on a level table that is a height h above level ground. While on the table, a…

A: Basic concept of equation of motion: We always use equation of motions to determine final velocity…

Q: Seatwork No. I A rock is thrown vertically downward with a speed of 20.0m/s from the top of a tower.…

A: Givenu=20 m/sa=g=9.81 m/s2t=2.5 sa.s=ut+12at2  =20×2.5+12×9.81×2.52  =80.66 m

Q: During a time interval of one second, a ball moves in the +x or -x direction (that is, to the right…

A: b) The acceleration is the rate of change of velocity.   In this case, the ball moves along right…

Q: An engineer builds a parallel-plate capacitor with adjustable spacing between the plates. When the…

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Q: The half-life of plutonium-239 is 24,300 years. If a nuclear bomb released 12 kg of this isotope,…

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Q: If two masses 7 kg and 17 kg have velocities and respectively, find the final city of the 17 kg…

A: Given that:m1=7 kgu1→=<6,-10> =(6i^-10j^) m/sm2=17 kgu2→=<-10,3>=(-10i^+3j^) m/s

Q: 2.1*10^53 pg = ...? Tg

A: Given:Value of the quantity: 2.1×1053 pgThe conversion ratio for picogram to gram: 1 pg=10-12 gThe…

Q: Alex goes cruising on his dirt bike. He rides 700 m north, 300 m east, 400 m north, 600 m west, 1200…

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Q: A 20 resistor is in parallel with a 802 resistor. The pair is in series with a 100 resistor and a 50…

A: Resistance values: 2 Ω, 8 Ω, 10 Ω.  Voltage, V = 50 V Current through 2 Ω = ?

Q: A force is applied to a block on a frictionless inclined surface as shown in the diagram. What…

A: According to the question m=11.3kg angle =29.6 we need to find  Force (F)

Q: A spherical surface completely surrounds a collection of charges. Find the electric flux (with its…

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Q: A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal…

A: According to the given data F=70 N S=10.5m t=4.80 sec. We need to find What is the mass of the…

Q: Assume that a red blood cell is spherical with a radius of 4.0 ×10^−6 m and with a wall thickness of…

A: Spherical Capacitor: It generally consists of two concentric hollow sphere wiith inner radius (r)…

Q: 130g of water is placed in a 10g aluminum cup. Both the water and cup start at temperature 40…

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Q: The electric potential at a distance of 4.00 m from a certain point charge is 200.0 V relative to…

A: Potential at 4 m = 200 V Potential at 2 m = ?  We're required to calculate potential relative to…

Q: alculate the mass (in g) of steel balls used in rolling bearings. The diameter of the ball is…

A: According to the question  d=20mm density =490lbm/ft3 we need to find Mass of the steel ball

Q: A +4.24 MC charge is located at the origin. Determine the following. (Include the sign of the value…

A: Given value--- A-4.24 micro C charge is located at the origin. We have to find--- (a) the…

Q: Two friends on roller-skates push off each other and begin travelling in opposite directions. If one…

A: Mass, m1 = 61.0 kg Velocity, v1 = 2.70 m/s Velocity, v2 = -1.80 m/s Mass, m2 = ?

Q: What is the displacement of the runner, whose velocity versus time graph is shown in the Figure, in…

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Q: 92 (0) 3.86 a (m) 54.7.00 24.0° y-component (unit in N) of the c field of q1 and q2 at point P? 92 0…

A: q1 = 2.16 x 10-6 C q2 = 3.86 x 10-6 C

Q: 46. A light, flexible rope is wrapped several times around a hollow cylinder with a weight of 40 N…

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Q: A small metal ball is kicked from the edge of a cliff. Its x- and y-coordinates as functions of time…

A: Given Data :x coordinate as a function of time x(t) = 19.9ty coordinate as a function of time y(t) =…

Q: 73. You and your bicycle have combined mass 80.0 kg. When you reach the base of a bridge, you are…

A: Write the given values with the suitable variables. m=80 kgu=5 m/sv=1.5 m/sh=5.2 m Here, m, u, v,…

Q: Two point charges are placed on the x-axis: 0.800 µC at x = 0 and -0.200 µC at x = 20.0 cm. At what…

A: the three points are:16 m,-26.67 m, 26.67 mNow to show how do i get those points,Given0.8 μC at…

Q: A parallel plate capacitor has a separation of 0.032 m and a potential difference of -64 V. If the…

A: Given data: Separation distance of the parallel plate capacitor, d=0.032 m Potential difference,…

Q: A noisy factory machine produces a sound intensity of 1.00 x 10-5 W/m2 when measured 10 m from the…

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Q: The heaviest watermelon weighed in at 159 kg (350.5 lbs.) and was grown by Chris Kent (USA) of…

A: The mass of the watermelon, m=159 kg The height of the building, h=150 m The acceleration due to…

Q: 3. The graph below represents the relationship between the force applied to a spring and spring…

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Q: I) Two uniformly charged rods, bent into circular arcs, ave equal and opposite linear charge…

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Q: A railroad train is traveling east at 30.0 m/s in still air. The frequency of the note emitted by…

A: speed of train (v) = 30 m/s speed of sound in air (v') = 340 m/s the frequency of whistle blown by…

Q: Calculate the fractional (relative) uncertainty in (0.03 ± 0.04)cm. Report your answer up to two…

A: Given 0.03±0.04 We have to calculate the fractional uncertainty.

Q: Location A is 2.00 m to the right of a point charge q. Location B lies on the same line and is 3.60…

A: The work done amount required to relocate an unit charge in an electric field of a charge from one…

Q: 19. A circuit consists of a 100 v battery connected in series to a 20 resistor and two 2 F…

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Q: 2. (1) A circular ring of radius R has a linear charge density C/m; see Fig. 23.48. (a) What is the…

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Q: #1) Let's say an object (pick your favorite object) moves along the X - axis with the following…

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Q: Three point charges are fixed as shown in(Figure 1). Take q1q1 = 20 μCμC, q2q2 = -30 μCμC, q3q3 = 40…

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Q: A heavy block is supported by three cables as shown. 90° 60° 90° T₁ Which of the following true…

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Q: If the average velocity of an object is 0, then the average speed of the object must also be 0

A: Introduction:-   Velocity:-  The velocity is the vector quantity which means it has a magnitude and…

Q: The figure shows a coaxial cable in cross-section. The two conductors have inner and outer radii as…

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Q: In the Bohr model of the hydrogen atom, an electron in the 3rd excited state moves at a speed of…

A: Given data : Speed of the electron in the 3rd excited state  ( v ) = 2.43 * 10 5 m/s Radius of the…

Q: A new design of Saturn 13 rocket with mass 1.04 x106 kg has a propulsion engine that can eject gases…

A: A rocket is a device that moves forward by expelling particles of a fuel-mixture backward. The…

Q: A common speed limit in Vancouver, British Columbia, is 70 km/hr. You are going 61 MPH. What is…

A: The speed limit in British Columbia is =70km/h.                 The speed in MPH is =61MpH     We…

Q: Three charges are arranged as shown in the figure. Find the (a) magnitude and (b) direction (angle…

A: Draw the free-body diagram of the system.

Q: (a) Two springs in parallel always result in a O floppier (smaller kg) O it depends O stiffer…

A: We need to answer the questions based on the combination of springs.

Q: Determine ∑i τp,i, the sum of the torques on the seesaw. Consider only the torques exerted by the…

A: Since the seesaw is symmetric around the pivot, there is no net torque produced by the gravitational…

Q: A model rocket is initially a height of H = 2.00 m above the ground. At t = 0, it is released from…

A: Given: Acceleration by rocket engine = βtβ = 18 m/s2This is for 5 sec. Initial height = H = 2 mMass…

Q: A certain sandwich cookie contains 55 CC of nutritional energy. For what amount of time must you…

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Q: 1. Solve for the tension on the cord and the compression on the wooden bar. (neglect the weight of…

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Projectile Motion