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Q: Three kids in a parking lot launch a rocket that rises into the air along a 380 m long arc for 40s. ...

A: The distance traveled by rocket is, The time taken by the rocket to travel the given distance is,

Q: A thin, cylindrical rod e = 27.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 10.00 cm...

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer fi...

Q: In her hand, a softball pitcher swings a ball of mass 0.255 kg around a vertical circular path of ra...

A: Analyze the following diagram. Since the force acting on the ball is not a conservative force, the ...

Q: A metallic spherical shell has an inner radius of 6.20 cm and an outer radius of 9.40 cm. The surfac...

A: Given, a metallic spherical shell has an inner radius of 6.20 cm and an outer radius of 9.40 cm. The...

Q: A high school track coach has just purchased a new stopwatch. The stopwatch manual states that the s...

A: Given: Uncertainty of stopwatch = ±0.05 s Regular Spring record is 11.49 s to 15.01 s The first spri...

Q: From the surreal realm of deep-seahydrothermal vents 200 miles offshore from Puget Sound, comesa new...

A: Let, the temperature in Celsius be denoted by 'C' and the temperature in Fahrenheit be denoted by 'F...

Q: A ball is thrown vertically upward with a speed of 19.6 m/s. What is the balls velocity after 1.00 s...

A: Click to see the answer

Q: A car traveling north at 21 m>s sounds its 480-Hz horn. A bicyclist travels south on thesame road...

A: The bicyclist is moving towards the car. It is given that, vs=343 m/sfo=480 Hzvc=21 m/svb=6.7 m/s

Q: Point ‘P’ is on the rim of a 2-m radius wheel. At time, t = 0s, the wheel isat rest, point ‘P’ is on...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Two lamps are separated from each other and both emitting light to a wall different distance. If the...

A: illumination is given by, E=Ir2 Here, I is the luminous intensity expressed in candela.

Q: 7B. A 98.2 g copper rod is cooled from 80°C to 25°C by tossing it into a very large swimming pool at...

A: Given information: The mass of copper (m) = 98.2 g = 0.0982 kg initial temperature of the copper (T1...

Q: 87. A sort of “projectile launcher" is shown in Fig. 20-71. A large current moves in a closed loop c...

A: Given: The length of the bar is 22 cm. The mass of the bar is 1.5 g. The magnetic field is 1.7 T. Ve...

Q: Find the change in temperature if 170 J of heat are added to2.8 mol of an ideal monatomic gas at (a)...

A: Given Data: The heat added to the ideal gas is Q = 170 J. The number of moles of an ideal gas is n ...

Q: An electrically neutral object is given apositive charge. (a) In principle, does the object’s mass i...

A: Part (a) When a positive charge is given to a neutral object (number of electrons and protons are th...

Q: Please explain in detail: A photon and electron have the same de brogile wavelength. How do their ...

A: de Broglie wavelength is same for proton and electron

Q: Short Finned Pilot Whale can dive to depths of 1.1 kilometers. What is the total pressure they exper...

A: Pressure inside a depth of h is; P=ρgh Here, ρ is density of fluid, g is acceleration due to gravity...

Q: Aluminum has a density of 2.712 ✕ 103 kg/m3 at 0°C and an average linear expansion coefficient of 2....

A: Click to see the answer

Q: A uniform solid disk of massm = 2.97 kg and radius r = 0.200 m rotates about a fixed axis perpendicu...

A: Given Data: The mass of disk is m = 2.97 kg. The radius of disk is r = 0.2 m. The angular velocity ...

Q: A sonar transmitter operates at 2 impulse per second. if the device is held to the surface of fresh ...

A: The density of water d=1000 kg/m3 The bulk modulus of fresh water Ep=2.04×109 Pa The velocity of wa...

Q: Is the anwser around 88.9? Or is it wrong

A: U1-U2=12kx21-12kx22k=2U1-U2x21-x22

Q: (a) What is the acceleration of the spool? Take positive to be to the right. ]m/s² (b) Determine the...

A: Given , A force T→=0.430 N acts along the horizontal towards the right. Assume, the frictional forc...

Q: Find the magnetic flux through a round coil of wire which has an area of 75cm2. The magnetic field s...

A: Given: The area is A=75 cm2. The magnetic field strength is B=7 T. The angle made by magnetic field...

Q: A crying child emits sound with an intensity of 8.0 * 10-6 W>m2.Find (a) the intensity level in d...

A: The sound intensity of the child is given as 8 x 10-6 W/m2.a)The child’s sound intensity can be repr...

Q: please solve it as soon as possible

A: AIM: To determine the electric potential difference at a given point GIVEN: The components of the el...

Q: When the potential difference between the plates of acapacitor is increased by 3.25 V, the magnitude...

A: Given: Potential difference, V=3.25 V Charge, Q=13.5 mC

Q: 7) A string is tied at both ends. The linear density of the string is 9.2 gr/m. The length of the st...

A: Given The linear density of the string = 9.2 gr/m The length of the str...

Q: Why are the Doppler effect and diffraction not as commonly experienced with light as they are with s...

A: There is a significant difference in the Doppler effect for sound, This is due to the shorter wavele...

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.04 kg (see figure be...

A: Click to see the answer

Q: How much work is required to move a charge from one location on anequipotential to another point on ...

A: An equipotential surface is one in which all the points are at the same electric potential. If a cha...

Q: Give the expression for the excess pressure in an air bubble inside the liquid?

A: The excess pressure inside the liquid a layer of the liquid in terms of surface tension is, P=2TR Wh...

Q: Parts d,e and f

A: Given, m=750 g=0.750 kg, k=145 N/m, Spring pulled, A= 25cm=0.25 m

Q: How many nanoseconds does it take light to travel 1.00 ft in vacuum?

A: The speed of light is given by, v=st t=sv Given that, s=1.0 ft =0.3048 m

Q: Physics Question

A: As per guidelines, first three sub-parts have been answered. 2. There is tension force in the string...

Q: 58. Suppose that the amount of heat removed when 3.0 kg of water freezes at 0.0 °C were removed from...

A: The formula for the latent heat is:

Q: (a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h , what is the percent u...

A: a) Given:- Speedometer has an uncertainity ug of 2 km/h Speed sg= 90 km/h Solution:- The percent unc...

Q: An elevator is moving upward at a constant speed, pulled by the cable it is attached to. What forces...

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

Q: Astronomy Briefly explain what evidence we can use to learn about the lives of stars even though t...

A: The life cycle of stars can be determined by observing the clusters of stars and the observation can...

Q: A 300 Kg red bumper car is traveling with a velocity of +2.5 m/s. Over a 0.5 second time frame it ha...

A: Click to see the answer

Q: A 0.49-kg mass attached to a spring undergoes simple harmonicmotion with a period of 0.67 s. What is...

A: mass, m = 0.49 kg Period, T = 0.67 s