A cube 5.5 cmcm on each side is made of a metal alloy. After you drill a cylindrical hole 3.0 cmcm in diameter all the way through and perpendicular to one face, you find that the cube weighs 6.60 NN. 1.  What is the density of this metal? Express your answer with the appropriate units.   2.  What did the cube weigh before you drilled the hole in it? Express your answer with the appropriate units.

Q: When a light bulb is rated at 60 W, it means that the bulb uses 60 kilo Joules of power when it is…

A:

Q: Gas is confined in a tank at a pressure of 10 atm and a temperature of 15◦C. If 51 percent of the…

A:

Q: What is the magnetic flux through the loop?

A: We are given magnetic field its magnitude. We are given a triangular loop. We need to find magnetic…

Q: A water tank of height h has a small hole at height y. The water is replenished to keep h from…

A: The initial velocity in the horizontal direction is, uxi=v. The horizontal acceleration is ax=0. The…

Q: 3. A skateboarder moves uniformly at 3.5 m/s horizontally when he arrives at the top of a hill…

A: Given, The initial speed of the skateboarder, u = 3.5 ms angle, θ = 24° coefficient of friction, μ =…

Q: Starting from rest, a student pushes a crate of mass m up a frictionless slope with a horizontal…

A:

Q: A baseball bat balances 66.1 cm from one end. If a 0.540 kg glove is attached to that end, the…

A: Given data: The balancing point of the glove, x=66.1 cm The mass of the glove, m=0.540 kg The center…

Q: ★ 4) Consider two long (but not infinite) solid cylinders with total charge & deposited in two…

A:

Q: A plane has a take-off speed of 88.3 ms-1 and requires 1365 m to reach that speed from rest.…

A: Given, The final speed of the plane, v=88.3 m/s Distance covered by the plane, s=1365 m The initial…

Q: What is the angle between vectors u=−8i+j+12k and v=−6i+4j+2k. Select one: A. 22∘ B. 45∘ C. 150∘ D.…

A:

Q: A space station shaped like a giant wheel has a radius of 138 m and a moment of inertia of 4.94 x…

A: radius (r) = 138 m moment of inertia of giant wheel shaped space station (I) = 4.94×108 kg m2number…

Q: Camilla sets the index of refraction and angle of incidence to some values (any particular values…

A:

Q: An empty beer can has a mass of 17 g, a length of 14 cm, and radius of 3.4 cm. Find the moment of…

A:

Q: Find the minimum diameter of an | = 15.1 m long tungsten wire that will stretch no more than 7.00 mm…

A:

Q: What is the final equilibrium temperature when 15 g of milk at 27◦C is added to 180 g of coffee at…

A:

Q: The 75 kg student in (Figure 1) balances a 1200 kg elephant on a hydraulic lift. For help with math…

A:

Q: :   Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a…

A:

Q: A current of 6.0 A in the 150-turn primary of an ideal transformer causes 12 A to flow in the…

A: Given data as per the question current in primary coil =6 A Turns in primary coil =150 Current in…

Q: a) The ionic radius of lead is 0.180 nm. What fraction of this volume does the nucleus take up for…

A:

Q: 2. A wooden block of mass 20 kg is floating in a pool. This is a fresh water pool, so we can assume…

A:

Q: A 440-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal,…

A:

Q: A student sits on a rotating bench freely holding two weights, each with a mass of 3.00 kg, (see…

A:

Q: ater travels through a pipe at 8.22 m/s. The pipe contracts from a crossectional area of 2.5 m2 to…

A:

Q: 19-77/ A satellite in a circular orbit 1000 km above Earth's surface has total mechanical energy U.…

A:

Q: A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. During the…

A: Mass of truck = 20 ton Mass of car = 1500 lb

Q: 8. ne the horizontal velocity v. of a tennis ball at location A so that it just clears the net at…

A:

Q: Dario, a prep cook at an Italian restaurant, spins a salad spinner and observes that it rotates with…

A: The constant angular speed of the salad spinner is, w=(20×2pi)/5 rad/s= 8pi rad/s.( 1 rotation= 2pi…

Q: Which of the following correctly states Newton's first law of motion? Select one: a.an object at…

A:

Q: Which of the following statements are true about light waves? O The shorter the wavelength, the…

A:

Q: n In the PhET simulation, you see a beam on which you can place items of differing mass. What will…

A: Given  Since ,       Initally Beam is in equilibrium . When we a person stands on one end of the…

Q: At 37 m below the surface of the sea (density of 1422 kg/m3 ), where the temperature is 6◦C, a diver…

A:

Q: Catherine can throw a cricket ball at 17 m/s. At what angle (to the nearest degree) to the…

A:

Q: What is the approximate weight of a 7.5 kg mass sitting on the surface of the earth?

A: GivenMass, M=7.5 kgAs we know on the surface of earth the value of acceleration due to gravity is…

Q: ball is thrown vertically upwards. Which of the following statements is true? (A) As the ball climbs…

A: Given:-  The ball is thrown vertically upwards. Find:- Which of the following statements is true?…

Q: What is the frequency of a wave with an energy of (5.42x10^-19) J? Answer to 3 significant figures…

A:

Q: A 78.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0720 m/s.…

A: The given data we have: Mass of the hoop: 78.0kg Velocity of the center of mass: 0.0720 m/s   The…

Q: What is the wavelength (in nm) of a laser with an energy of (5.59x10^-19) J? Answer to 3 significant…

A: Given data: The energy, E=5.59×10-19 J

Q: In the figure below, an iron bar sitting on two parallel copper rails, connected to each other by a…

A:

Q: A sound of 40 dB is __________.     4/3 times as loud as a sound of 30 dB     16 times as loud…

A:

Q: Problem 2: An electron (mass m, charge -e) in a cathode-ray tube is accelerated through a potential…

A:

Q: they had a toy car and propelled it by attaching a blown up balloon and releasing it, they asked my…

A:

Q: a) A neutron star consists almost exclusively of neutrons. If you have a mass of 0.100 grams, how…

A:

Q: Gas is confined in a tank at a pressure of 10 atm and a temperature of 15◦C. If 51 percent of the…

A:

Q: Show that the resultant wave formed by the overlapping of two harmonic waves of the same wavelength…

A: Introduction:-  Stationary wave:-  We know that the stationary wave is also known as the standing…

Q: 4. Find the acceleration of the blocks and the tension in the rope. 8 kg u=0.2 T 4 kg μ=0.2 80 N

A: Introduction: Newton's second law: It states that "acceleration of an object depends on the mass of…

Q: An Airbus A380-800 passanger airplane is cruising at constant altitude on a straight line with a…

A:

Q: An advertisement claims that a particular automobile can “stop on a dime.” What net force would be…

A:

Q: Se co D D Lab courses/19552/quizzes/102796/take Search Lab Question 8 Sign Question 9 Cost y cheg C…

A: Capacitors C1 C2 & C3 are connected in parallel. Each of them have capacitance of 4 micro farad.…

Q: A copper rod has a length of 1.9 m and a cross- sectional area of 4.4 x 10-4 m². One end of the rod…

A:

Q: An man who pushes a crate dm up along a ramp that makes an angle of 0 with the horizontal (see…

A:

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.