Find the acute angle between the intersection of the lines given below to the nearest degree. l1 : 7 = 13, 2, -5] +t [2, -2, 4], t e R l2 : Z-5 I+1 %3D %3D

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Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

A: Given : M = 94.9 kg m = 13 kg vi = 0 (because sled is initially at rest) mb = 0.140 kg vb = 32.1 m/s…

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Q: dr If r= (8+2t)i – 3e-2tj +2 sin 5t k, find dt at t= 0. 11.83 O 13.83 14.83 15.83

A: According to question we need to find magnitude of given vector at t = 0 .

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Q: The Ironman Triathlon is a speed and endurance race that combines swimming (2.4 miles), biking (112…

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Q: 73 loops coil of wire 0.3m x 0.2m that has a magnetic field increases from -3T to5T in 0.15s that is…

A: 73 loops coil of wire 0.3m x 0.2m that has a magnetic field increases from -3T to5T in 0.15s that is…

Q: body is accelerated, a force is invariably acting on it. Does this mean that when a force is applied…

A: Given:-  When a body is accelerated, a force is invariably acting on it.  Find:-   Does this mean…

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Q: The index of refraction of light in water is 1.33. What is the speed of light in water? O 2.26 x 10…

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Q: A body does 12 Joules of work in 2 seconds. What is it's power ?

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Q: 45 A motorcycle is located at x- and y-coordinates (3.00 m, 2.50 m) at time t = 0 and(25.6 m, - 13.0…

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Q: ANSWER ALL 3.What is electromotive force in relation to the concept of work? 4. In what ways…

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Q: For the resistor network shown, what fraction of Vs will be measured at Vout? Resistor Combinations…

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Q: as an accuracy of ±0.5% FS and measures resistance from 0 to 1500 Ω. What is the uncertainty in an…

A: GivenAn instrument has an accuracy of ±0.5% Full scale measures resistance from 0 to 1500 Ω

Q: Each of three objects has a net charge. Objects A and B attract one another. Objects B and C also…

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Q: 4. Joseph sweeps his sidewalk with a broom. Joseph pushes a pile of dead leaves for distance of 10…

A: Given:Joseph pushes leaves for distance 10 mJoseph performs 35 Joule of workTo find:Force uses by…

Q: A planet of mass 2000 kg orbits a star with a mass of 1 × 1020 kg with a constant velocity. a) How…

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Q: A metal is heated up to a temperature of 450°C. It is then exposed to a temperature of 302 K. After…

A: Heat current = KATH-TL dQdt=KATH-TLdQ =msdT

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Q: Question 8 Satellite A and B are both in stable orbit of the Earth, but Satellite B is twice as far…

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Q: For a typical metal conductor, the random motion of free electrons inside that metal will increase…

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Q: If connected to a 3 V potential difference, a certain resistor dissipates 0.5 W. How much energy…

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Q: A 3.1kg ball was dropped from an unknown heigh to the ground, find the work done by the gravity…

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Q: 1. Oxygen with a volume of 9 liters at standard temperature and pressure (STP) are heated until the…

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Q: A particle is experiencing a uniform circular motion. Find the angular momentum? R= 5i +6j V= -3i +…

A: mass of particle (m) = 6 kg velocity = -3i^ + 4j^ units R = 5i^ + 6j^ units

Q: ue of the magnetic flux through the coil due to the wire with

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Q: If a car running at a speed of 72 km/h stopped five seconds after braking at the red light of the…

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Q: How many calories of heat an required by 250g of ice at -15

A: Given250 g of ice at -150°C

Q: A 0.5 kg object attached to a spring with a force constant of 7 N/m vibrates in simple harmonic…

A: mass of object (m) = 0.5 kg force constant (k) = 7 Nmamplitude (A) = 8 cm distance (d) = 7 cm

Q: Problem 9 You shine your favorite laser pointer (which has a wavelength of 450 nm) towards two slits…

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Q: A proton moves perpendicular to a uniform magnetic field at a speed o experiences an acceleration of…

A: Given;-  A speed of the proton is v = 2.20 x 107 m/s The acceleration of the proton is a = 2.80 x…

Q: Suppose a photon has a wavelength of 2.9 μm. Calculate the momentum of the photon in kg m/s.  what…

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Q: 5. Joseph sweeps his sidewalk with a broom. Joseph performs 42 Joules of work pushing dead leaves…

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Q: A popgun uses a spring for which k=20N/cm. When cocked, the spring is compressed 3.0cm. How high can…

A: Given Data:- Spring constant of the pop gun is k=20N/cm=20×1 N1 cm×100 cm1 m=2000 N/m Compression of…

Q: 3. À metal is heated up to a temperatu then exposed to a temperature of 3

A: GivenA metal is heated up to a temperature, To= 450°C.Metal is  exposed to a temperature, TA=302…