2. In the figure below box A of mass 5kg is sitting on a table that has a coefficient of kinetic friction of 0.3 between it and the box. Box B has a mass of 4kg and is 0.87m above the ground. What is the velocity of box B when it hits the ground? A

Q: A child is pulling a block attached to a chord through a rough wooden oor as part of a game, as seen…

A:

Q: 4. A hole is poked into the bottom of a can containing liquid. The can has a radius of 3 cm and a…

A: Given, Radius,r=3 cm Height,h=8 cm Rate of volume decrease, dVdt=100 cm3/min Height at which rate of…

Q: 5. In a 580 m stretch of a river, the speed of the current is a steady 5.0 m/s [E]. Hov long does it…

A: Given data in question.  Length of river stretch =580 m Speed of current =5.0 m/s Speed of boat =7.5…

Q: Q3) A child rolls a ball of mass 0.025 kg (A) along a table at a speed of 2.3 m/s to collide head-on…

A:

Q: Which of the following is correct? None of the listed choices are correct. Radio waves have higher…

A: Gamma rays have higher frequency than infrared waves.

Q: Suppose you are designing a game for a client. It is like an angry birds game but in this case, the…

A: If a particle is thrown obliquely near-earth surface, then it will move along a curved path. This…

Q: A ball of mass m is attached to a string and rotated in a vertical circle as shown below. What is…

A: Along the center of the circle mgCosθ and tension are acting

Q: Can you show your work please

A: (i) Given data: The work done to move the charge is W=8.5x10−19 J.

Q: There are 2.375 x 10^19 electrons passing through a headlight. What will be the voltage of the car…

A:

Q: 7.) An 87-g box is attached to a spring with a force constant of 82 N/m. The spring is compressed 11…

A: The mass of the box: m=87 g=0.087 kg The force constant of the spring: k=82 N/m The initial…

Q: wered nswer A block of copper with mass mou =237g, (CCu 3857) is at an kg C initial temperature of…

A:

Q: 4. Eddy throws a little sand bag so that it lands on the top of a vertical post that is 4 m high.…

A:

Q: Two satellites, A and B, are in different circular orbits about the earth. The orbital speed of…

A:

Q: In this problem we are going to analyze the ballistic pendulum. The process is as follows: a bullet…

A: We know that the momentum is conserved when there is no net external force acts on the system.  From…

Q: A 135-turn coil has a diameter of 27.9 cm. The coil is placed in a spatially uniform magnetic field…

A:

Q: n asteroid has asteroid has a long axis of long axis of 77

A: Length of long axis, Speed , v = 0.250 c

Q: An electron with a mass of 9.11 x 10-³¹ kg is accelerated by a particle accelerator to a speed of…

A: Write the expression for the relativistic mass.

Q: Show your work

A: Since there is no friction at the contact between glider and Track is zero. so there is no force…

Q: 12. A 2 kg block has an apparent weight of 16 N when weighed under water. a. Draw a diagram showing…

A: As the block is immersed in water, the water exerts a buoyant force on the block, which acts…

Q: 5.0 μ 5.0 μ A 5.0 μF 12 μ qV H 5.0 µF H 5.0 µF B Base on the figure above, answer the questions…

A: Given data: The capacitors in right loop are, C1=5 μFC2=12 μFC3=5 μF The capacitors in left loop…

Q: (1) A student claims that capacitors in parallel combinations have greater equivalent capacitance…

A: A student claims that capacitors in parallel combinations have greater equivalent capacitance…

Q: I need to look correct answer and show all work please

A: Step 1:Determine the given values:The kinetic energy is KE=14.8 eV.The potential energy is U=34.7…

Q: An electron is projected with an initial speed of 4.6 m/s directly toward a proton that is…

A:

Q: Observer 1 is standing on the earth and measures how long it takes a ship to travel from Earth to…

A: Time measure by an  Observer 1 is standing on the earth  = t1 Time measure by an observer 2 is…

Q: lqib sd t NASA While on a spacewalk mission after you graduate from UCCS, you realize that your…

A: The conservation of momentum is the total momentum before the system ; that is hammer and person…

Q: need answer for this, Thank you for your effort

A: Given:- mass of the object =1.5 kg  The radius of the circle r= 25 cm =0.25 m  The speed of the mass…

Q: LA car with a mass of 2,000 kg drives to the top of a 100-meter hill in 15.0 seconds. Find the…

A:

Q: 2. π The circular arc shown below has a radius R and extends from- -to The arc carries a 3…

A: Here in this question, we will consider an elementary arc length (dl), and then we can find the…

Q: 7. A bullet (100g) is fired at a velocity of 200 m/s and it then collides with a stationary block…

A:

Q: A golfer hits a golf ball with an initial velocity of 26 m/s at an angle of 50° above the…

A:

Q: If m = 5 kg and M = 8 kg , find the acceleration of the masses and the tension in the rope. Show all…

A:

Q: Two charges separated by 3 meters exert 18-N forces on each other. If the charges are pushed to…

A:

Q: A box of mass 3.0 kg slides on a horizontal frictionless table and collides with a 2.0 kg box…

A: As the collision is elastic, momentum is conserved. m1u1+m2u2 =m1+m2v Kinetic energy of a mass m…

Q: a) If the speed of the fluid at the bottom of this canister is 10 m/s, what is the speed of the…

A:

Q: The emf is & = 149 Vand the internal resistance of the battery is r;=3. A current of I =4.8A is…

A: Given Data:The emf of the battery is The internal resistance of the battery is The current in the…

Q: QUESTION 2 A Formula 1 car can achieve accelerations of 26 m/s². Suppose such a car accelerates from…

A:

Q: 9. What is the velocity of a snail that is traveling at a rate of 5 millimeters per minute in m/sec?

A: 1 millimetres =10-3 m 1 minute =60 sec

Q: A skier weighing 300 N (Fg = 300 N) has just begun descending a 20° slope. The coefficient of…

A:

Q: 4. A neutron has a rest mass of 1.68 x 10-27 kg. How much kinetic energy would it possess if it was…

A: The rest mass, The relative velocity of the neutron,

Q: Q a dQ ds x dE, dE a dE X

A:

Q: A plane travels a distance of 500 Km [E 20° N] from Toronto to Montreal and then another 100 Km [W…

A:

Q: 8.) A billiard ball of mass m₂ = 0.400 kg moving with a speed v₁ = 1.80 m/s [E] strikes a second…

A: See below

Q: 1- The figure below shows a physical apparatus known as communicating vessels with a liquid of…

A: