6. A projectile starting from ground hits a target on the ground located at a distance of 1500 meters after 45 seconds. What is the size of the angle 0? a.) 78.6 b.) 82.7 c.) 80.5 d.) 81.4

Q: P2 h P1

A:

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A: Time taken by train to reach 1 km(intersection) = distance/speed = 1/74.70.= 0.013 hour = 48.1 secon...

Q: A Carnot engine operates between 235°C and 129°C, absorbing 3.53 x 104 J per cycle at the higher tem...

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Q: a ball thrown vertically upwards with an initial velocity of 25m/s. Find the time of ascent

A: At maximum height the velocity is zero.

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A: Given,                  β1 = 125 dBR1 = 1 mβ2 = 85 dBR2 = ?  

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Q: What is the potential difference between the plates of a 3.3-F capacitor that stores sufficient ener...

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Q: When pushing off horizontally from a pool wall with her legs, the resulting force of the wall on the...

A: compression in length (∆L) = 2.98×10-5 m Length (L) = 36 cm = 0.36 m Radius (r) = 1.82 cm = 0.0182 m...

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Q: je ren by a, (t) = at – ßt² The acceleration of a a = 1.50 m/s3 and ß = 0.121 -here e motorcycle is ...

A: We know that we have given here the acceleration of the jeepney is given as  axt= αt-βt2 where  α= 1...

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A: We know that we have given an RC circuit in which the resistance and capacitor are in the series, in...

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A: Calculate the decay constant of 14C. k=ln2t1/2=ln25730 yr=1.209×10-4 yr-1 Here, k is the decay const...

Q: 50. A spring has a spring constant of 120 newtons per meter. Calculate the elastic potential energy ...

A: Given: The spring constant is 120 N/m. The stretching in the spring is 2 cm.

Q: What would be the voltage across Resistor 1, 2 and 3

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Q: A glass rod is rubbed with a piece of silk. During the process the glass rod acquires a positive cha...

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Q: (2-10) A charge q = -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +4 µC is located at (4...

A: Given: q1=-5 μC= -5×10-6 C rq1=(0,3) q2=4 μC= 4×10-6 C rq2=(4.5,3) To find: unit vector (r2^) of the...

Q: 3. A 3.0-kg block moving to the right on a frictionless table at 4.0 m/s makes a head-on collision w...

A: mass of first block m1 = 3 kg initial velocity of first block u1 = 4.0 m/s mass of second block m2 =...

Q: An automobile with 0.320 m radius tires travels 95,000 km before wearing them out. How many revoluti...

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Q: At the top of a frictionless inclined plane, a 0.50-kilogram block of ice possesses 6.0 joules of gr...

A:    

Q: A glacier in Republica was observed to advance (h)5______ inches in a (i)____71_______ minute period...

A: Given,  Glacier advances = 5 inches / 71 minutes. to find glacier advances(in feet) in 1 year = ?   ...

Q: powerbank with a mass of 0.300 kg has a weight of

A: mass of power bank = 0.3kg Acceleration due to gravity =9.8m/s2

Q: Two small charged objects attract each other with a force F when separated by a distance d. If the c...

A: Hey there, since you have posted multiple questions. We have solved the first one for you. Please re...

Q: A compact disc is rotating at 50 rpm. If it takes 10 complete revolutions before slowing to a stop, ...

A: Given  Initial angular speed ωi=2π×5060=5.23 rad/s Angular displacement θ=2π×10=62.8 rad Final angul...

Q: (2-10) A charge q1 = -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +4 µC is located at (...

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Q: Consider a vessel of diatomic nitrogen gas at room temperature. (a) What is the most likely speed of...

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Q: Light passes through a single slit of width 8.32 x 10-5 m. The first (m = 1) diffraction minimum occ...

A: GivenWidth of the slit (d) =8.32 x 10-5 mOrder of minimum (m) =1Angle of first minimum (θ1) =0.347°

Q: (А R2 R, V R3 Let R, = 100.7 Q, R, = 101.5 Q, and R3 = 199.3 Q. What is the equivalent %3D resistanc...

A: The answer is below

Q: If electrical energy costs $0.12 per kilowatt-hour, how much do the following events cost? (a) To bu...

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Q: Two charges are shown. What is the direction of the electric field at the indicated point? A D E...

A: Given data:  Two charges Q1 = +2 μC and Q2 = - 1 μC Required: Direction of electric field at given p...

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Q: In any charging process what happens to the charge? * O created O transferred O destroyed O none of ...

A: Given  In any charging process, what happens to the charge??

Q: The figure shows three arrangements of electric field lines. In each arrangement, a proton is releas...

A: The option 2 is correct. The reason is given below. It is assumed that density of the electric lines...

Q: Which car is traveling at å faster speed? Two cars are traveling down a road. The graph provided sho...

A: We know,      Speed = Distance time     

Q: In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P...

A: Given Resistance of the resistors are given as R1=5R and R2=15 R, where R=14 Ω Power dissipated in r...

Q: Object A is neutral and object B carries a net charge. They are placed near each other on an insulat...

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Q: Which of these sets of two charges exerts the smallest force on one another? 2r +2q +2q +q +q +2q 2r...

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Q: An electric space heater has a resistance of 8.10 ohms. How much energy does it use when connected t...

A: Given data:  Resistance (R) = 8.10 Ω Voltage (V) = 110 V Time (t) = 30 minutes Required: Energy (E) 

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A: Retardation of Shaw bike= -2.75m/s2 Final velocity = 0 Time t= 3.27

Q: (2-10) A charge q1 located at (4.5,3) m. -5 µC is located at (x,y)=(0,3) m. Another charge of q2 = +...

A:

Q: 7. An object of mass 10 kg is sliding from the top to bottom in a frictionless inclined plane of inc...

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Q: Vector quantity

A: Vector Quantity Vector Quantity are those quantity which have diarection and magnitude both.

Q: Find the speed of a baseball that crosses from front to back of home plate, a distance of 0.3 m in 0...

A: we know,     Speed = DistanceTime  

Q: Huck Finn walks at a speed of 1 m/s across his raft. The raft is traveling down river at a speed of ...

A: Given  Finn walk at speed of 1m/s across raft.  Raft traveling down river at speed 2m/s .  The finn ...