A canon ball, projected  at angle of 600 above the horizontal strikes a tower 30m away at a point 15m  above the point of projection How long was it in the air?

Q: Problem 4. Identifying the metal. A solid metallic sphere used in a particular machinery has a diame...

A: Given : Diameter of metallic sphere = 1.256 ±0.003 cm Mass of metallic sphere = (7.38±0.04) g Densit...

Q: Assuming that there are 1.5 free electrons per gold atom. The electrical conductivity and density fo...

A: According to question we need to find--- (a) Calculate the number of free electrons per cubic meter...

Q: A pumpkin has been launched from a trebuchet at the amual World Championship "Pumpkin Chunkirf compe...

A: At the time release there will be no acceleration due to initial velocity but there will be an accel...

Q: A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a secon...

A:

Q: Identical charges A, B and C are located between two oppositely charged parallel plates, as shown in...

A: GivenMultiple choice questions based on1) electrostatic force2) methods of charging

Q: A kitten is 15.0 cm from a converging lens, and an inverted, real image is created 90.0 cm away from...

A:

Q: Example 5 Find the current flowing through a copper wire of length 02 m, area of cross-section 1 mm?...

A:

Q: (1-2) Using a tuning fork, the resonance pattern shown is produced in a glass tube which is closed o...

A: Given : (Note : This is a multiple type of question. So answer for the first part is given below. Pl...

Q: Three cells of emf 2-0 V, 1-8 V and 1-5 V are connected in series. Their internal resistances are 0-...

A:

Q: A light bulb with a resistance of 2200 ohms is connected to a 220 V power outlet. a. How much curren...

A: Ohm’s law states that the voltage or potential difference between two points is directly proportiona...

Q: gnitude of F3, and F4 that will give a resultant force of 50 N, 33 degrees south of west of F1 = 100...

A: We know that we have given the four forces system, in which the magnitude of two forces is unknown. ...

Q: In an accident, a truck goes off the 6 road and into a ditch. Two breakdown vehicles A and B are use...

A: Given: FA = 4000 NFB=2000N

Q: A ball with a mass of 0.10 kg is traveling with a velocity of 0.50 m/s in the +x-direction and colli...

A:

Q: A spool of iron wire 320 m long and with a diameter of 0.360 mm is at 20.0°C. For iron, the resistiv...

A: Given value--- length =320 m. diameter = 0.36 mm. resistivity = 10 × 10-8 ohm m. temperature coeffi...

Q: 16. 100. kg Joe Burrows of the Cincinnati Bengals runs 7.67 m/s directly up the middle on a quarterb...

A:

Q: 4 cm r= 8 cm FIGURE 2 FIGURE 2 shows a long conductor is placed near a loop carrying a current of 1....

A:

Q: Block A supporting another block B is pulled along a rough horizontal plane by a horizontal force P....

A:

Q: When you bring a current-carrying wire down onto the top of a compass, aligned with the original dir...

A: Given data: Distance d = 3 mm Angle θ=17o Magnetic field BEarth=2×10-5 T

Q: 1.15 When a car has a dead battery, it can often be started by connecting the battery from another c...

A: Given: v=12vI=40At=1.5min=90s

Q: Circle the correct answer: Which of the following describes the mathematical relationship between gr...

A:

Q: Problem 7: An electric current / = 0.85 A is flowing in a circular wire with radius R = 0.045 m. K d...

A: Given: I=0.85 AR=0.045 m

Q: Convert (127 Km/hr) to meter/second *

A: Given in question:  V = 127 km/hr To find - Convert this speed into meter/second. Solution: Step1 - ...

Q: A 200g bullet which has velocity 200 m/s sticks to the stationary block of 5 kg mass. They move toge...

A:

Q: A 1500-kg car goes around a flat 25-m-radius circular track at 10 m/s (approximately 22 mph). What i...

A:

Q: 2. A 827 cm³ gold nugget and a 827 cm³ aluminum block are immersed in water. Which object experience...

A: As per the guidelines, I can only answer the 1st question. I hope you will find it worth assisting.

Q: Multiple Choices: Choose the BEST answer for each item. 1. What is the impact of inserting dielectri...

A: Dear student,  Since all questions are different as per guidelines we can author only first three pl...

Q: The system in the figure is in equilibrium. A concrete block of mass 189 kg hangs from the end of th...

A:

Q: 2. Three point charges are fixed in the right triangle as shown in the figure, in which q, and q2 ar...

A: Given, charges,  q1 = q2 = +5nCq3 = + 6nC

Q: The moment vector is perpendicular containing the force

A: Moment vector is perpendicular containing the force 

Q: A 2.00-kg block is pushed against a spring with negligible mass and force constant compressing it 0....

A: The mass of the block = 2 kg Distance of compression ∆x = 0.2 m For the friction-less surface μ = 0 ...

Q: 2.2 Express the following points in cylindrical and spherical coordinates: (a) P(1, –4, –3) (b) Q(3,...

A:

Q: 1.30 The numerical values of the voltages and currents in the interconnection seen in Fig. P1.30 are...

A:

Q: 1.26 The voltage and current at the terminals of an auto- mobile battery during a charge cycle are s...

A:

Q: A galvanometer has a coil resistance of Realy = 45.2 2. It is to be made into an ammeter with a full...

A:

Q: Bone is a living tissue and has a blood supply as well as nerves. true false

A: Bone is a living tissue and has blood supply , true or false.

Q: What factors do you think may cause the experimental value (9.799m/s²) to be different from the acce...

A: What factors do you think may cause the experimental value (9.799m/s²) to be different from the acce...

Q: Two children, Raffi and John, sitting on sleds tied together with a massless rope, are being dragged...

A: Friction: Friction is a type of force that acts between two bodies that are in contact with each oth...

Q: Sequentially, wires A, B, and C from the right where 2 A, 4 A, and 6 A are supplied with electric cu...

A:

Q: A beam of particles is directed at a 0.012-kg tumor. There are 2.1 x 1010 particles per second reach...

A: Given value--- mass = 0.012 kg. no. of particle per second = 2.1 × 10q0 . energy = 4.5 NeV  RBE = 1...

Q: What do you observe about the equipotential lines very near the charges and very far away from them?

A: The number of field lines leaving a positive charge or entering a negative charge is proportional to...

Q: Which of the following could change the observed frequency of a wave? Group of answer cho...

A: Let the emitted frequency = f  Let the observed frequency = f'  Let the speed of sound = v 

Q: A slide projector has a 220 mm focal length lens. How far away is the screen, if a slide is placed 2...

A: Given value--- focal length = 220 mm. object distance = 230 mm. We have to find--- image distance...

Q: 1. (a) Under what conditions is the clectric ficld at a distance r away from a charge distribution o...

A: Electric Field: The electric field is a region around a charged particle or body where other charged...

Q: 1. A charge of + 1.97 x 10-5C produces an electric field of 740N/C at the origin in the +x direction...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

Q: 15. A nuclide (Z,A may transform into a nuclide (Z-1,A) by the emission of a. an alpha b. aB- a B+ d...

A: GivenA nuclide (Z,A) ma transform into a nuclide (Z-1,A)

Q: What is the resistance of a 6.9-m length of copper wire 1.5 mm in diameter? The resistivity of coppe...

A:

Q: Calculate the mass of a car that drives at 21m/s and has 20000 J of energy ?

A:

Q: Particles 1 and 2 of equal mass are thrown vertically upwards at the same initial velocity vo in a c...

A:

Q: wo students were gven a task to connect a 2 uF capacitor and a O UF capacitor. 4. What type of conne...

A: First capacitor = 2 micro farad  Second capacitor = 6 micro farad   

Q: A proton traveling at 22.9° with respect to the direction of a magnetic field of strength 2.41 mT ex...

A: