Start your trial now! First week only $4.99!*arrow_forward*

Question

baseball thrown at an angle of 60.0° above the horizontal

strikes a building 18.0 m away at a point 8.00 m above the point from which

it is thrown. Ignore air resistance. Find the magnitude of the ball’s initial

velocity (the velocity with which the ball is thrown).

Tagged in

Science

Advanced Physics

Find answers to questions asked by students like you.

Q: Can someone please show all the work for these problems please?

A: Click to see the answer

Q: A helium-filled balloon, whose envelope has a mass of 0.26 kg, is tied to a 3.9-m long, 0.052-kg str...

A: Given The mass of the envelope (m)=0.26kg length of the string (L)= 3.9m mass of the string (ms)= 0...

Q: he coefficient of kinetic friction is the ratio between the force of sliding friction and the

A: The sliding friction force is given as f = μk . N where μk is coefficient of kinetic friction and N...

Q: Explain: why the sign of time derivative term is a minus one in the continuity equation of Electroma...

A: The continuity equation of electromagnetism is concerned with the conservation of charge. It relates...

Q: A 550 N physics student stands on a bathroom scale in an elevator that is supported by a cable. The ...

A: Given, Weight of physics student =550Nmass of elevator and student=850kg

Q: In principle, does a hot gas have more mass than the same gas when it is cold? Explain. In practice,...

A: Yes, the hot gas in a container will have more rest mass than the same cold gas because the rest mas...

Q: Write the ﬁrst ﬁve terms of the Madelung constant for a two-dimensional lattice of alternating posit...

A: consider the below arrangement

Q: The smallest object we can resolve with our eye is limited by the size of the light receptor cells i...

A: Part-a Given: Diameter of eye sphere s' = 2.5 cm. Near point of object s = 25 cm. Diameter of light...

Q: A 9.00-kg block is sent up a ramp inclined at an angle 0 = 29.0° from the horizontal. It is given an...

A: The net force acting on it is, Fnet=-fk-mgsinθFnet=-μkmgcosθ-mgsinθma=-μkmgcosθ-mgsinθa=-gμkcosθ-sin...

Q: Please answer all parts and show work with explanations

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: Prove that μ = pc/E. This is a useful relation to fi nd the velocity of a highly energetic particle

A: The equation for relativistic total energy can be given by, E=μmc2...... (1) Here, m is mass of the ...

Q: A 30.3 g mass is hung from a string. What is the tension in the string in Newtons?

A: Click to see the answer

Q: An inductor with inductance L = 0.200 H and negligible resistance is connected to a battery, a switc...

A: Part-a Given: Inductance L = 0.200 H. Two resistors R1 = 8.00 Ω and R2 = 6.00 Ω. EMF of the battery ...

Q: The LIGO experiment, which historically detected gravitational waves for the first time in September...

A: Given: The LIGO experiment, which historically detected gravitational waves for the first time in Se...

Q: Show that 23092U does not decay by emitting a neutron or proton.

A: The Q-value of a nuclear decay determines the energy released after the decay. A positive Q-value me...

Q: A glass container holds water (n = 1.33). If unpolarized light propagating in the glass strikes the ...

A: Click to see the answer

Q: Can someone please help me show all the work for these problems please?

A: (8) sum of moments about point A M→=∑r→i×F→i=3.0mj^×8 kN-i^+0.5 mi^×6 kN-j^+4.0mj^+2.0mi^×5 kN35i^-4...

Q: Two pressure sensors are located at the seafloor: one is 100 m and the other is 500 m off the coastl...

A: Given: The distance of two pressure sensors are 100 m and 500 m respectively. The pressure amplitude...

Q: A shuttlecock is launched from the ground with an initial speed of 38.0323 m/s at an angle of 5.3909...

A: Click to see the answer

Q: You use 0.124 nm x-ray photons in a Compton-scattering experiment. (a) At what angle is the waveleng...

A: ∆λ=λ01-cosθθ=cos-11-∆λλ0 Angle of scattering when the wavelength difference is 1.0% θ=cos-11-1%λiλ0=...

Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. You m...

A: Given: Slope of the line is 75 N·m/C.

Q: What is the right ascension in hours, minutes, and seconds of a star at RA 239.768°?

A: Click to see the answer

Q: On a test flight a rocket with mass 400 kg blasts off from the surface of the earth. The rocket engi...

A: Given: The mass of the rocket is m=400 kg. The height reached by the rocket is h=100 m. The maximum...

Q: Please answer all parts of question 1. I appreciate it!

A: Part A The maximum height reached is, Hmax=usinθ22gHmax=155 m/ssin64.0o229.80 m/s2Hmax=990.2 mHmax~9...

Q: In the process of using the scientific method, a researcher: Directly tests both the null and altern...

A: In scientific method, null hypothesis tests the relation ships between the collected data or which...

Q: A concave mirror has a radius of curvature of 34.0 cm. (a) What is its focal length? (b) If the mirr...

A: Given: The radius of curvature is R=34.0 cm. The refractive index of water is n=1.33. Part (a) The...

Q: the plots and then answer the questions. Questions: When t= 1.6 s.v= m/s, a = m/s? When t = 2.9 s.v=...

A: Velocity of a particle is given by v=27t2-113t+62 accelaration a= dv/dt=5...

Q: for y d €0 The answer is V - (у — d) for result, use this potential next. €0 (OV+ OV3 + V E) for y ...

A: 6.(a) Given: The potential is given by V=σε0y y<00 ...

Q: A small car of mass 380 kg is pushing a large truck of mass 900 kg due east on a level road. The car...

A: Click to see the answer

Q: Monochromatic light is directed at normal incidence on a thin film. There is destructive interferenc...

A: The intensity of the reflected light is very low as destructive interference occurs for the reflecte...

Q: Find the maximum and minimum moments of inertia with respect to axes through point 0 of the shaded a...

A: Given: The maximum and minimum moments of inertia with respect to axes through point 0 of the shaded...

Q: A shuttlecock is launched from the ground with an initial speed of 38.0323 m/s at an angle of 5.3909...

A: Click to see the answer

Q: Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0. If Rov...

A: Let the vector form of B is B=Bcos60°i+Bsin60°j This can be written as, B=300cos60°i+Bsin60°j=150i+2...

Q: Determine the force in each member of the loaded truss. The force is positive if in tension, negativ...

A: Click to see the answer

Q: What internal magnetic factors modify the applied magnetic field to create effective field by indivi...

A: In the question, the type of transition is not mentioned clearly. So the effect of the applied magne...

Q: Does it work? Will hanging a magnet in front of an íron cart make it go? Explain why or why not.

A: According to Newton's first law of motion, when there's no force acting on a object, then the body r...

Q: Your physics study partner tells you that the width of the central bright band in a single-slit diff...

A: (a) Given: The wavelength of the laser emitting monochromatic light is λ. The width of the narrow sl...

Q: Can the first type of helium-ion microscope, used for surface imaging, produce helium ions with a wa...

A: The de Broglie wavelength of the Helium ion can be expressed as; λ=hp ...

Q: 7.A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictio...

A: He pushes the car a distance of s=20 m. Frictional Force =35 N .

Q: A plane leaves the airport in Galisteo and flies 170 km at 68.0 east of north; then it changes dire...

A: Given: A=170 km which is 68o east of north B =230 km which is 36o south-east Let R be the displace...

Q: Electrons go through a single slit 300 nm wide and strike a screen 24.0 cm away. At angles of =+_20....

A: Part-a Given: Breadth of the slit b = 300 nm. Distance of the screen d = 24 cm. Angle θ = ±20o.

Q: Two point charges are place on XY plane as follows. -10 nC at the origin -20 nC on y-axis at y=3 m....

A: Given: q1=-10nC=-10*10-9C q2=-20nC=-20*10-9C x=3m and y=3m

Q: *PLEASE ANSWER QUESTION #2 ONLY* 1) A car is waiting at a stoplight. The car has a mass of 1200 kg. ...

A: when car is accelerating forward the friction will also act in forward direction.

Q: Consider two spaceships, initially at rest and separated by 5,000 m. Spaceship 1 has mass 632 kg, a...

A: The force acting on the spaceship 2 by the tractor beam is 231 N. So, the acceleration of the spaces...

Q: In an L-R-C series circuit, the components have the following values: L = 20.0 mH, C = 140 nF, and R...

A: (a) inductive reactance is XL=2πfLXL=2π1.25×103 Hz20.0×10-3 HXL=157 Ω capacitive reactance is, Xc=12...

Q: What electron conﬁ guration would you expect( nℓ) for the ﬁ rst excited state of neon and xenon?

A: Electronic configuration of Neon at ground state is: 1s2 2s2 2p6 Electronic configuration of Xenon a...

Q: You observe a star system for many weeks. The light curve does not show significant changes in brigh...

A: Yes. This is a binary system. Specifically this is called a spectroscopic binary system.

Q: Consider a simple model of the helium atom in which two electrons, each with mass m, move around the...

A: Given: Consider a simple model of the helium atom in which two electrons, each with mass m, move aro...

Q: Please answer the question using the graph. Please show all work. Thank you!

A: Solution: Given values, Mass(m)=90.5 g =90.5x10-3 KgSlope (A)=0.00983±9.4×10-5

Q: Magnetic fields affect atoms because of the magnetic moments of electrons, resulting in the Zeeman e...

A: Given: The value of magnetic field is B=2 T. It is known that proton has a spin of 1/2. Part (a) : E...