A volcano erupted and spit a rock in the atmosphere at an angle of 35 degrees with the horizontal with an initial velocity of 25m/s. The rock hit the ground 20 meters below the crater. Determine the time travelled by the rock before hitting the ground in seconds.

Q: A 1500-kg car moving with a speed of 10 m/s collides with an electric post and is brought to rest in...

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Q: A 0.10-kg ball is thrown straight up into the air with an initial speed of 15 m/s. Find the momentum...

A: Given that:- Mass of ball=0.1kg

Q: A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved relat...

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Q: A coil of wire with 50 turns lies in the plane of the page and has an initial area of 0.310 m2. The ...

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Q: A jeepney is originally at rest al s =o If the speed is increased by magnitudes of its velocity and ...

A: acceleration is defined as  a = dvdt ∫dv =∫adt Net acceleration in angular motion is given by  a' = ...

Q: of a parallel plate capacitor having plates of area 1.50 m^2 that are separated by 0.0200 mm of neop...

A: GivenArea of plates , A=1.5 m2Distance of seperation between plates , d=0.02 mm=0.02×10-3 mVoltage P...

Q: 2. Two point charges of 50 nC each are located at points A(1, -2, 4) and B(-1, -3, 6). Find the forc...

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Q: when the pendulum is at it's lowest point, what type of energy does it have and WHY?

A: Pendulum have kinetic energy at it's lowest point . Reason -  1) At the lowest point in its swing, t...

Q: An elevator suspended by a vertical cable is moving downward but slowing down. The tension in the ca...

A: Option (a) - greater than the weight of the elevator. Reason - 1)Here given that  the elevator is sl...

Q: Diagram of the problem, necessary formulas, clearance and numerical solution Calculate the amount o...

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Q: (a) What is the energy in joules of an x-ray photon with wavelength 1.78 x 10-10 m? (b) Convert the ...

A: Given that:- Wavelength of x-ray=1.78×10^-10m

Q: How much force is needed to accelerate a 5.00 kg bowling at 1.00 m/s?

A: Given data:  Mass (m) = 5.00 kg Acceleration (a) = 1.00 m/s2  Required:  Force (F)   

Q: A toy cannon uses a spring to project a 5.30-g soft rubber ball. The spring is originally compressed...

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Q: In the figure below, determine the point (other than infinity) at which the electric field is zero. ...

A: Electric field : The electric field due to a given electric charge Q is defined as the space around ...

Q: Identify the machine that offers no mechanical advantage. (Select all that apply). a single, fixed p...

A: Mechanical advantage is used to amplify the output, when a fixed amount of input is provided to the ...

Q: Ball 1 of mass 3 kg with speed 4.7 m/s collides head-on with ball 2 of equal mass. What is the speed...

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Q: In each of the diagrams below, describe in which direction the charged particle will be deflected un...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Part A A car battery stores about 4.1 MJ of energy. If all this energy were used to create a uniform...

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Q: A 2.50 kg box is pulled by a constant force of 16 N that is exerted at an angle 36.9° above the hori...

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Q: Consider the circuit shown below. We have a 2.0V battery, R1 = 1.0 Ω, R2 = 2.0 Ω, and R3 = 1.0 Ω. i....

A: According to question we need to find--- Determine the equivalent resistance of this arrangement. ...

Q: A current of 1.09 A in a long, straight wire produces a magnetic field of 3.41 µT at a certain dista...

A: Given: The current in the wire is 1.09 A. The strength of the magnetic field is 3.41 μT.

Q: One end of a brass wire 120 cm long and a diameter of 0.24 cm is fastened to a point in the ceiling....

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Q: With a single impulsive maneuver, an earth satellite changes from a 400-km circular orbit inclined a...

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Q: An automobile with a total mass of 1500 kg is placed on a moving flatbed railcar. The flatbed is 1.2...

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Q: Tarzan is running at top speed 28.8 kph and grabs a vine hanging vertically from a tall tree in the ...

A: Given, Speed=28.8km/h

Q: Review | Constants a mass moving in a circle of radius R with angular velocity w. =R cos(ust)i + sin...

A: Given: r(t)=Rcosωt i^ +Rsinωt j^

Q: A pressure versus volume (pV) diagram for a system is shown in the figure. The arrows of the curve i...

A: Given: since, work done = area under PV curve  

Q: Calculate The car that hae momentum of of 1550 kyund mass 'd velocity of 17.0m/s-

A: Given data :                       Velocity  =  V                        Mass  =  m         To find ...

Q: Part A Consider the circuit in (Figure 1). Take C1 = 6.8 µF, C2 = 4.7 µF, and C3 = 2.2 µF (these are...

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Q: A toy cannon uses a spring to project a 5.30-g soft rubber ball. The spring is originally compressed...

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Q: What should be the diameter of a pinhole in order to produce the nearest and brightest image if the ...

A: For the maximum intensity at a distance d the radius of pinhole is given by  where λ is the wavelen...

Q: It is derived that the range for a projectile motion in special case is given as R = () sin(20). Sho...

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Q: Consider the circuit below without the ammeter and the voltmeter. a. Write all the possible equation...

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Q: A potential difference of 100 V is applied by a battery across a pair of metal plates 5cm apart. a) ...

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Q: > a metal sphere whose diameter ;s 60am weighs 2000N. How much weuld this sphere veish if placed ;n ...

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a...

Q: At locations A and B, the electric potential has the values VA = 1.59 V and VB = 5.87 V, respectivel...

A: Given, VA=1.59V VB=5.87V

Q: What is the angle of deviation if a ray of light in water is incident at an angle of 25 degrees and ...

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Q: irrent density of a silver wire is 3.20x106 A/m e drift velocity of the electrons through the wi

A: Given Curtrent density ,J=3.2×106  A/m2current , I=2 ADrift velocity of electron , v=3.2×10-4  m/s

Q: Magnetization of a water sample. (a) Calculate the number of particles that contribute to the magne...

A: Density of water at 37°c = 0.995 g/cc Mass of water = density * volume = 0.995*2 = 1.99g No of molec...

Q: Calcylate The momentum of car that had tな of 17.0m/s. mass o 1550 kand f 'd velocity

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Q: A tank whose capacity is 5 m3 contains Chlorine gas at a certain quantity. 3 kg of this gas has been...

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Q: The substation bus bar is made up of 4-inches round platinum bars 25 ft. long. What is the resistanc...

A: Given: d=4 inch = 0.1016 mL=25ft =7.62 mρ=10.6*10-8 ohm m

Q: Goku, flying at an altitude of 210 m above the surface of the ocean, sees Vegeta below the surface w...

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Q: Is there a type of object that would spend more energy rotating than moving linearly? If so, which o...

A: The moment of inertia of an object is the quantitative measure of rotational inertia, just as in tra...

Q: An electric fan revolving at 900 rpm slows down uniformly to 300 rpm while making 50 revolutions. Fi...

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Q: Calcylate The momentum car that had if of a caor 1550 7ond -a velocity of 17.0m/s. mags

A: given data   mass = 1550 kg velocity = 17 m/s momentum = ?

Q: Which of the following predictions of the Big Bang indicates that the universe now is around 2.73 Ke...

A: The cosmic microwave background radiation. As a result of the expansion of the Universe, it was pred...

Q: An electric elevator with a motor at the top has a multistrand cable weighing 4 lb/ft. When the car ...

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Q: A plate glass window (n = 1.5) has a thickness of 4 x 10-3 m. How long does it take light to pass pe...

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Q: A horizontal 5.0 mW laser beam that is vertically polar- 54 ized is incident on a polarizing sheet t...

A: Intensity = Power permit area Power of the beam = P×A since the area of cross-section of the laser b...