A rookie quarterback throws a football with an initial upwardvelocity component of 12.0 m/s and a horizontal velocity componentof 20.0 m/s. Ignore air resistance. How far has the football traveled horizontally during this time?

Q: Suppose that you have the Lagrangian L = (;2 + 0ʻr²) + 420 for a 2D 20 system in plane polar coordin...

A: Conjugate momenta Pq corresponding to conjugate variable q is given by Where L = Lagrangian of the ...

Q: To stretch an ideal spring 3.00 cm from its unstretched length,12.0 J of work must be done. What is ...

A: W=12kx2k=2Wx2

Q: Determine the number of photons emitted per second by a laser that emits red light of wavelength 650...

A: P=Et   =nhcλtn= Pλthc

Q: A jet lands on an aircraft at a speed of 175m/hr. (175m/hr. = 78.23m/s). What is jets acceleration i...

A: The magnitude of the acceleration is given by

Q: In many cases, prostate cancer is treated by implanting 60 to 100 small seeds of radioactive materia...

A: Given: Prostate cancer is treated by implanting 60 to 100 small seeds of radioactive material into t...

Q: calculate the weight of the hanging mass fg2

A: There are ten washers, each washer weighs 10 g. Therefore the total hanging mass is 10g ×10=100 g. T...

Q: 1.Why is it difficult to distinguish whether a particle is an elementary particle or a composite? 2....

A: Hi. Since you have posted multiple questions and not specified which question you want us to solve, ...

Q: 16) Show that, for a given initial speed, the horizontal range of a projectile isthe same launch ang...

A:

Q: A beam of electrons is accelerated from rest through a potential difference of 0.100 kV and then pas...

A: The kinetic energy of electron is K=eV=1.60×10-19 C0.100 kV×103 V1 kV=1.60×10-17 J The relativistic ...

Q: please very soon

A: Solution:   For the given Data,   The corresponding differential Equation is given as below:   my"+c...

Q: A small cube of mass m slides down a circular ramp of radius R cut into a large block of mass M, as ...

A:

Q: Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the ai...

A: The power is given by, P=Fv

Q: 5) A car traveling 25 m/s is 110 m behind a truck that is traveling 20 m/s. (a) Determine how long w...

A:

Q: A falling brick has a mass of 1.5 kg and is moving straight downward with a speed of 5.0 m/s. A 1.5 ...

A: Given: The mass of the brick m = 1.5 kg. The downward speed of the brick v = 5 m/s. The mass of the...

Q: In the end of the Chapter 4 Problem 4.4 of your book consider that the trunk has mass M travels at a...

A:  A trunk of mass M is being pulled along an inclined plane θi is the angle of inclination of the inc...

Q: A parallel-plate capacitor has an effecting plate area of 100cm2(each plate) separated by a dielectr...

A:

Q: A bothersome feature of many physical measurements is the presence of a background signal (commonly ...

A: Given: The background noise level is  B = 5.1 mV A signal at 29 mm is S29 = 20.7 mV A signal at 32.5...

Q: Through what potential difference must electrons be accelerated if they are to have (a) the same wav...

A: (a) Wavelength is, λ=h2meV2meV=hλ2V=12mehλ2V=129.1×10-31 kg1.60×10-19 C6.626×10-34 Js0.220×10-9 m2V=...

Q: please show all work

A: Given:     mass, m = 20 kg    distance travelled, S = 20 m

Q: A person exposed to fast neutrons receives a radiation dose of 300 rem on part of his hand, affectin...

A: Given information: The amount of radiation dose from fast neutrons (equivalent dose) = 300 rem The w...

Q: What is the main objective and purpose of e/m of electron experiment?

A: Solution: Objectives 1. To study the effect of electric and magnetic field on a charged particle. 2....

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

Q: An egg is thrown nearly vertically upward from a point nearthe cornice of a tall building. The egg j...

A:

Q: Superman throws a 2400 N boulder at an adversary. What horizontalforce must Superman apply to the bo...

A: The weight of the boulder is W = mg Here, m is the mass of the boulder, g is the acceleration due to...

Q: Please answer parts A,B andC using the data given in the question.

A: a) We know, F=kx Where, k is spring constant x is a stretch. So, The maximum stretch xf has the grea...

Q: Question in the attachment below

A: Given: The number of turns in the coil are 32. The radius of the coil is 7.81 cm. The mass of the ob...

Q: A cylindrical body has mass M and radius R. Can the mass be distributed within the body in such a wa...

A: Given: Mass = M Radius = R  

Q: In the experiment by Jönsson, 50-keV electrons impinged on slits of width 500 nm separated by a dist...

A: Given: The voltage applied on slits isV=50 keV. The width of slit is x=500 nm. The distance between...

Q: A plastic bowl is floating in a sink full of water. Which of the following describes the microscopic...

A: Plastic bowl is floating due to the push by the surface of water on surface of the bowl. Thus the fo...

Q: A parallel beam of argon laser wavelength 488 nm, collimated by a diaphragm of 1 mm radius, is direc...

A: Given: The wavelength of the laser λ = 488 nm. The aperture of the laser a = 1 mm. The radius of moo...

Q: 8. A 3.0-cm-tallobject is placed 22.0 cm in front of a concave mirror having a focal length of 12.0 ...

A: Given, focal length of concave mirror = -12.0 cm object distance =-22.0 cm heigth of object = 3.0 cm

Q: If quantum mechanics replaces the language of Newtonian mechanics, why don’t we have to use wave fun...

A: Given: If quantum mechanics replace the language of Newtonian mechanics, We need to explain why don'...

Q: 2) Why is Vernier Caliper more accurate when compared to Ruler?

A: Vernier  Caliper and ruler both are using for measuring  the length .  In the Vernier Caliper accura...

Q: A large semi truck has a mass of 35,000 kg. It collides head on with a car that has a mass of 1000 k...

A:

Q: Two asteroids of equal mass in the asteroid belt between Mars and Jupiter collide with a glancing bl...

A:

Q: Explain briefly the existence of surface tension at the boundary of biological fluids.

A: Answer: From a physical point of view, The surface tension is defined as the force per unit length o...

Q: A sample of 18F is used internally as a medical diagnostic tool by observing this isotope’s positron...

A: Given information: The t1/2 of the F18 isotope's positron decay, t1/2=110 min  The percentage of dec...

Q: A hockey puck of mass 4m has been rigged to explode, as part of a practical joke. Initially the puck...

A:

Q: How are the components of the acceleration of a projectile related to the mass of an object?  How ar...

A:    In the case of projectile motion, the horizontal acceleration is zero. and hence it is independen...

Q: You’re pushing horizontally on a large crate, but it won’t budge. According to Newton’s third law, t...

A: According to Newton's third law, every action has a equal and opposite reaction. Initially, when you...

Q: The naked eye can detect a stellar object of sixth magnitude in the night sky. With binoculars, we c...

A: Given data: The brightness of the 30th magnitude star is B30=2×10-20 W/m2.  The area of the Hubble ...

Q: Draw the phase of the koon. Label neap tides with an N and spring tides with S

A: When the Sun, the Moon and the Earth are in a straight line (during Full or New Moon phases), the gr...