bullet 2.50 cm long is fired at 450 m/s and passes straight through a 12.0 cm thick board, exiting at 275 m/s. (a) What is the average acceleration of the bullet through the board? (b) What is the total time that the bullet is in contact with the board? (c) What minimum thickness could the board have if it was supposed to bring the bullet to a stop?

Q: If the brakes on a car give the car a constant negative acceleration of 24 m/s2, where k is a positi...

A: Initial speed of car be, Vo  Final speed, V = 0 m/s  (as car comes to rest)  Distance to be covered,...

Q: A skateboarder riding on a level surface at a constant speed of 10 ft/s throws a ball in the air str...

A:

Q: Average forcee of he 50N while 17 i8in Contaet with if the impuleo is 15ONXS Tme of Contact is ? the...

A: Given data :                           Impulse                           Force    =   F             ...

Q: The nickel's image in the figure below has thrice the diameter of the nickel when the lens is 2.62 c...

A:

Q: As shown below, a square loop of wire of side a moves through a uniform magnetic field of magnitude ...

A:

Q: At the instant shown in both sketches in Figure P30.37, a positively charged particle (q = 15.5 mC) ...

A:

Q: a)To make the solenoid, 1.0 mm diameter copper wire covered with a very thin layer of insulation is ...

A: Given: Diameter of copper wire = 1 mm = 0.001 m Length of solenoid = 50 cm = 0.5 m Diameter of solen...

Q: Calculate the momentum of a car that has a mass of 1150 kg and a velocity of 12 ·5 m/s.

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

Q: Which statement is not true about Simple Harmonic Motion All oscillatory motions are Simple Harmonic...

A: All oscillatory motion are simple harmonic motion is not true because depends on the time period of ...

Q: Part A Biologists use optical tweezers to manipulate micron-sized objects using a beam of light. In ...

A: Part A Calculate the area of cross section of the spot. A=πD22=π0.62 μm×10-6 m1 μm22=3.019×10-13 m2 ...

Q: The circuit below consists of a battery and a tungsten wire. As shown in the figure, the tungsten wi...

A: The area of thick section is more than that of thin section. Now , resistance is inversely proportio...

Q: A 18.5 kg door that is 1.02 m wide opens slowly as a pull of constant magnitude 53.3 N is exerted on...

A:

Q: 1. Write Good if the statement is True else write Bad if the statement is false. a) Dynamics and Kin...

A: Given that:- Some statement is given in the question.

Q: A stone is thrown vertically upward from the top of a house 112 feet high. If it was thrown at 96 fp...

A:

Q: How do the vocal cords of humans resemble the membrane of a loudspeaker

A:

Q: 1.A parallel plate capacitor has square plates of side 8 cm and separated by a distance of 2 mm. (a)...

A: As per our guideline, I have solved the first question, Please post other questions separately.

Q: If F(x) is an antiderivative of x2 + x1, then what is the value of F(1) - F(-1)? 3 -1 -2

A:

Q: A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1...

A:

Q: The Hall Effect provided evidence that negative charges were responisble for moving in a circuit. In...

A: Since you have posted a question with multiple subparts, we will solve first three subparts only. Pl...

Q: A container has a large cylindrical lower part with a long thin cylindrical neck open at the top. Th...

A: volume of water in lower part = 22.2 m3surface area of bottom of container = 8.9 m2height of lower p...

Q: Problem 3: An electron beam is directed horizontally into a region where there is both an electric f...

A:

Q: A weather vane initially at rest has a moment of inertia of 0.123 kg · m2 about its axis of rotation...

A: In rotational System, angular momentum is taken for while the  external torque is zero and it is unc...

Q: A 1.56 µF capacitor is connected as in the figure to an ac generator with &m = 30.0 V. What is the a...

A:

Q: Two particles of equal mass 40 mg and equal charge 20 nC are brought from an infinite distance apart...

A:

Q: By increasing the number of the respective clicks in the mini-launcher, the speed is: Does not chang...

A: In mini launcher experiment audio clicks are used to change the range of the projectile only. 

Q: 4. For the circuit shown below, find (a) the power delivered by the battery, (b) the power dissipate...

A:

Q: Problem 2: A negative charge of q = -9.8 x 10-17C and m = 2.5 × 10-26 kg enters a magnetic field B =...

A:

Q: Find the refractive index of the glass in the figure below. (Take theta = 26 degrees, y = 7.1 cm, an...

A:

Q: Use the exact values you enter to make later calculations. A ray of light strikes a flat, 2.00-cm-th...

A:

Q: Figure 1 A Three blocks, labeled A, B, and C, are connected by essentially massless strings that run...

A: Mass of block A=4.1kg

Q: A heavy concrete panel is being lifted into position in a building by means of a crane (see figure b...

A: Given : Tension =2.49 *104 N Length of  concrete panel = 49.4 m Angle with horizontal =53o     Perpe...

Q: Note that in science and engineering area is considered a vector quantity. Its magnitude is defined ...

A: Area is a vector quantity.Its magnitude is length time width.

Q: A block of mass 5.0 kg is placed on the inclined plane shown in the figure above. If the coefficient...

A: Given : Mass of block = 5 kg Coefficient of static friction =  0.45

Q: Part A You place a 30-cm focal length convex lens at a distance of 50 cm in front of a concave lens ...

A:

Q: The only parameter that is common in horizontal and linear motion in a projectile is A. Range B. Max...

A: In horizontal motion object move with a linear speed for a time period to cover a range (distance) W...

Q: If the brakes on a car give the car a constant negative acceleration of 2k m/s2, where k is a positi...

A:

Q: PROBLEM 1: Determine the mass of the heaviest uniform bar that can be supported in the position show...

A:

Q: A concave mirror (f1 = 13.8 cm) and a convex mirror (f2 = −5.50 cm) are facing each other and are se...

A:

Q: GIVEN) The length of a wire is increased by 1 mm on the application of a certain load. In a wire of...

A:

Q: If a man has thrown a stone of mass 600g straight up 5 m in the air in this case what must be the in...

A: Given: Mass of stone m=600 g, Height the stone reaches is h=5 m. Required: Initial velocity of the s...

Q: A 1.95-kg particle has a velocity (1.95 î - 3.07 j) m/s, and a 2.91-kg particle has a velocity (1.06...

A:

Q: Two forces F, and F, act on the screw eye. If the resu magnitude of 150 lb and the coordinate direct...

A: We know that We have given that the three force in an XYZ plane as shown in the figure  F1= 80 lbFR=...

Q: An 8 metric ton elevator is pulled by a cable. Determine the tension in the cable if the elevator ac...

A:

Q: When is it possible to have a negative electrostatic force, and a positive electric field? When a po...

A: When the one charge is positive and other is negative,the electrostatic force is negative.when the t...

Q: 4. A crate of mass 15 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling ...

A:

Q: Part A Mary and Sally are in a foot race (see the figure). When Mary is 22 m from the finish line, s...

A:

Q: A concave mirror has a radius of curvature of R = 2.0 m. An object is placed 1.25 m in front of the ...

A:

Q: 3. A 1.28-kg sample of water at 10.0 °C is in a calorimeter. You drop a piece of steel with a mass o...

A: Given that:- Mass of water sample=1.28kg

Q: bunch of keys is thrown from the top of a 50 m tall building with an initial velocity of 20 m/s. a) ...

A: Given initial velocity u = 20 m/s  Displacement S = - 50 m   At highest point velocity v = 0 

Q: What is the net electric force on q1 due to q2 and q3? A. 1.4 x 10 -3 N                     C. 1.4 x...

A:

Projectile Motion