A 40.0 m/s 30.0° 45.0° B

Q: 11.38

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Q: Parabolic trajectories Show that the two-dimensional trajectory x(t) = uf + x, and y(t) : 2 gr2 + vo...

A: Given,  position vector of a projectile

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A:  

Q: Question in the attachment

A: The number of turns in the coil is 69. The radius of the coil is 7.91 cm. The magnitude of the unifo...

Q: In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak value of the...

A: Wavelength of the wave λ=cf=3×108 m/s99 MHz1 MHz106 Hz=3.03 m

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A: Let T denote the temperature, e denote the emissivity, P denote the total power, A denote the area o...

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A: given, There are sun and a planet and placed at distance r

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Q: Write balanced nuclear equations for:1. the loss of a positron by Y-852. the alpha emission resultin...

A: The typical nuclear reactions corresponding to alpha decay and beta decay of a nucleus (X) may be ex...

Q: In the second type of helium-ion microscope, a 1.2 MeV ion passing through a cell loses 0.2 MeV per ...

A: The energy loss is . Eloss=0.2 Mev/mm=0.2×106 eV/mm the final energy measured is 6 keV or 6000 eV.

Q: Make a rough sketch of the trajectory of a ball after it has been thrown. Draw the ball in at least ...

A: (1) Introduction: A projectile is an object upon which the only force acting is gravity. There are a...

Q: You are asked to design a spring that will give a 1160 kg satellite a speed of 2.50 m>s relative ...

A: Part (a) Given: The mass of satellite is m=1160 kg. The relative speed of satellite is v=2.50 m/s. ...

Q: 9. A 50-cm-tall dog stands 3 m from a plane mirror and looks at its image. What is the image positio...

A: Given: The height of the object h = 50 cm. The distance of the object from the mirror u = 3 m.

Q: You push your physics book 1.50 m along a horizontal tabletopwith a horizontal push of 2.40 N while ...

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Q: The person whose leg kicks his leg by exerting a 2000-N force with his upper leg muscle. The effecti...

A: (a) The expression for angular acceleration is τ=Iα Here, I is the moment of inertia. The torque can...

Q: (8T and Centrifugal force. ine raw a dlagram anu Thuicate rnipetal furce

A: Uniform Circular motion  Uniform circular motion means a particle is  moving in a circular path with...

Q: Shown is the typical photoelectric behavior of a metal as the anode-cathode potential difference ΔV ...

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Q: The spectral lines of various elements are detected in light from a galaxy in the constellation Ursa...

A: The equation for red shift is, λobs=λ1-vc

Q: Two identical tuning forks are struck, one a fraction of a second after the other. The sounds produc...

A: Rewrite the first expression given for the single sound ft=Csinωt+Csinωt+α                    1=Csin...

Q: A positive unit charge is at a distance of 200 pm from a molecule of hydrochloric acid. Calculate th...

A: Let p denote the dipole moment of the hydrochloric acid molecule, r denote the distance of the charg...

Q: A solid insulating sphere of radius 0.07 m carries a total charge of 25 µC. Concentric with this sph...

A: Given: The radius of the insulating sphere is a=0.07 m. The outer radius of the concentric shell is...

Q: 1) Saab advertises a car that goes from O to 60 mihr. in 62 seconds. What is the average acceleratio...

A: Given, A car goes from 0 to 60 mi/hr in 6.2 second

Q: A 76.0 kg rock is rolling horizontally at the top of a vertical cliff that is 20 m above the surface...

A: (a) According to kinematics equation, s=ut+12at2 Use the given values, 20=0+0.5×9.8t2t=2.02 s To tra...

Q: For a single particle in 1D, which of the following cannot be found exactly using initial conditions...

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Q: You throw a glob of putty straight up toward the ceiling,which is 3.60 m above the point where the p...

A: Given: Distance, s=3.60 m the initial speed of the putty, u = 9.50 m/s Acceleration , f = -9.80 m/s2

Q: When you do a chinup, you raise your chin just over a bar (the chinning bar), supporting yourself wi...

A: Given: The gravitational force applied by the body W = 680 N. The distance covered by body s = 30 c...

Q: Object A is moving at speed v in a circle of radius R. Object B is moving at speed 2v in a circle of...

A: (a) Given: The object A is moving at a speed v. The radius of the circle is R. Object B is moving at...

Q: In the Bohr model of the hydrogen atom, what is the de Broglie wavelength of the electron when it is...

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Q: Support Vector Machines ( SVM) . The Mercer kernel used to solve the XOR problem is given by k(xi, x...

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Q: I'm so confused about how to do these. Image attached. Thanks so much for your help!

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Q: A 2.00 kg stone is sliding to the right on a frictionless, horizontal surface at 5.00 m/s when it is...

A: Given: The mass of the stone is m=2 kg. The initial velocity of the stone is u=5 m/s. Part(a): The...

Q: Two pieces of clay collide and stick together. During the collision, which of these statements are t...

A: Given, two pieces of clay collide and stick together. So, it is the case of an inelastic collision. ...

Q: State one practical application of viscosity in medical practice.

A: Viscosity is the measure of fluid's resistance to flow. It acts like the frictional force .  

Q: what is the potential in each region of space?

A: Given, a hollow sphere has a outer radii R and an inner radii R/2. The cavity is filled with another...

Q: Hooke's Law says that the force exerted by the spring in a spring scale varies directly with the dis...

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Q: A small object is projected from level ground with an initialvelocity of magnitude 16.0 m/s and dire...

A: (a) When it is at the maximum height the y-component of the velocity is zero. Therefore, vy=uy+ayt0=...

Q: 1) A jetline touches down at 275 km/hr on a 1.2-km-long runway. What’s theminimum safe value for the...

A: 1) Given: Initial velocity of jetline is given by, vi=275kmhr*1000m1km*1 hr60 min*1min60 sec vi=76.3...

Q: Blocks A and B of Fig. have 20- and 50-kg masses, respectively. The static coefficients of friction ...

A: Given data: The mass of the block A is mA=20 kg. The mass of the block B is mB=50 kg. The coefficie...

Q: What is the wavelength of light that is deviated in the first order through an angle of 13.5° by a t...

A: mλ=dsinθ=1Nsinθλ=sinθNm=sin13.5°5000 slits/cm1 cm10-2 m1=4.67×10-7 m

Q: A block with mass 0.500 kg sits at rest on a light but not long vertical spring that has spring cons...

A: Given , mass of the block , m=0.500 kg Spring constant, k=80 N/m a. The force applied by the mass on...

Q: A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 15.0-m-long rop...

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Q: A small rock is thrown vertically upward with a speed of22.0 m/s from the edge of the roof of a 30.0...

A: The expression for a particle under constant acceleration is applied for freely falling bodies. The ...

Q: On a separate occasion, Michael threatened to jump from the roof of hisoffice building as a demonstr...

A: (a) final velocity  v=u+gt=0+9.8 m/s21.2 s=11.76 m/s≈12 m/s

Q: The overall angular magnification of a microscope is M = -178. The eyepiece has focal length 15.0 mm...

A: Angular magnification of a microscope is given as, Here, mo and me denotes the magnification of the...

Q: 1. a)Calculate the refractive power of the cornea when it is in contact with water. The index of ref...

A: a) The refractive power (P) of a curved transparent surface that has a radius of curvature (R) is gi...