A 3 kg box breaks free from a rope at a vertical acceleration of 5 m/s2. What tension broke the rope?

Q: An emission line of the CO molecule corresponding to a transition from its first excited state into ...

A: Frequency = f = 115 GHz = 115 x 109 Hz speed = C = 3 x 108 m/s wavelength= ?

Q: 1. How much heat is needed to raise the temperature of a 3 kg of aluminum 8 K?

A: Data Given ,  Mass of the aluminium ( m ) = 3 kg Temperature change ( ∆t ) = 8 K

Q: 4. A wave in a ripple tank passes from a deep to a shallow region with e, = 60° and = 45°. Calculate...

A: When deep-water waves move into shallow water, they change into breaking waves. ... When this happen...

Q: Two freckles are 0.00325 m apart. When looking at them through a camera lens eye (diameter = 0.0433 ...

A:

Q: An object is pulled to the right at constant velocity by 8.5N force acting 38 degrees above horizont...

A:

Q: Suppose you have a nearly empty jar of salsa that you want to pour into a bowl. Of course you will t...

A: We have given that we have to imagine that you  have a nearly empty jar of salsa that you want to po...

Q: traffic light that has a mass of 10kg is suspended by two wires as shown. What is the tension in two...

A: Given value--- mass = 10 kg. We have to find--- tension in both wire ?

Q: (3)A person in a car that is struck from behind can receive a serious neck injury called whiplash du...

A: (a) From Newton's first law   body is at rest, it will remain at rest unless it is acted upon by a f...

Q: A chunk of ice (T = -20°C) is added to a thermally insulated container of cold water (T = 0°C). What...

A: Temperature of the ice = -20'C temperature of the water = 0'C Container is thermally insulated

Q: 1.6 The power provided by a centrifugal pump is given by P = mgh, where m is mass flow rate, g is th...

A:

Q: Determine  potential  energy

A: Given data : Mass=m Acceleration due to gravity=g height=h   Required: Potential energy

Q: 3. Compute the electric flux of the following sets of variables: a. E = 7.2 x 105 N/C %3D A = 4.4 x ...

A: Electric flux φ = E̅•A̅     = E A Cosθ 

Q: A diver explores a shallow reef off the coast of Belize. She initially swims 90.0 m north, makes a t...

A:

Q: The lowest tone to resonate in an pipe open at one end is 220 Hz. Which one of the following frequen...

A:

Q: A charged cork ball of mass 0.50 g is suspended on a light string in the presence of a uniform elect...

A:

Q: 1. CHECK TOUR UNDERSTANDING 1. Observe the electrical wiring below. Indicate whether the connections...

A:

Q: 1 Calculate the distance of the closest approach of a-particles from the copper nucleus, when a-part...

A: Given data: Energy for alpha particles U = 5 MeV Atomic number ZCu for copper = 29 Charge e=1.6×10-1...

Q: Find the spring constant for a stretched bungie cord if it was stretched 0.45m and its elastic poten...

A: Data Given , Elastic potential ( U ) = 4000 J Extension ( ∆x ) = 0.45 m 

Q: Given data: Voltage-12 Volt Resistance =2 Ohms Find current

A: Given data:  Voltage (V) = 12 V Resistance (R) = 2 Ω Required: Current (I) 

Q: From Lesotho Bank tower an object was observed on the ground at a depression o below the horizon. A ...

A: Let h be the height of the tower. The correct range of object is htanϕ while the range of the bullet...

Q: An electron is placed in a uniform electric field of (given E) directed north created by two horizon...

A:

Q: Water drips from a faucet at a uniform rate of 4 drops/second. Find the distance between two succesi...

A: Given that:- Water drips from a faucet=4 drops/sec

Q: Given data: Voltage-12 Volt Resistance =2 Ohms Find current

A:

Q: While riding on an elevator descending with a constant speed of 2.6 m/s, you accidentally drop a boo...

A: We have GivenElevator descending with constant speed =2.6 m/s

Q: A bucket of mass 2.00 kg is whirled in a vertical circle of radius 1.20 m. At the lowest point of it...

A: Given: The mass of the bucket is 2 kg. The radius of the circular path is 1.2 m. The tension in the ...

Q: Coulomb's Law & Electric Fields: 1. Consider a fixed point charge of +1.5 uC (q1). A 2nd charge of -...

A:

Q: A 210-m-wide ver flows due east at a uniform speed of 2.5 m/s. A boat with a speed of 8.6 m/s relati...

A:

Q: When a student steps on a bathroom scale inside an elevator that is at rest, the scale reads 490 N. ...

A:

Q: There are four sample P,Q,R and S with natural frequencies 66, 98, 130 and 258 Hz respectively. They...

A: Answer:- R Explanation:- Since the natural frequency of R (130 Hz) is closest to the frequency produ...

Q: Given data: Voltage-12 Volt Resistance =2 Ohms Find current

A: Data provided:  Battery Voltage (V) = 12 V Resistance (R) = 2 Ω Required: Current (I) 

Q: A boy was dropped, from a plane moving 100kph horizontally. If the height of the plane from the grou...

A:

Q: What is a force of 15 kg-m/s? equivalent to in newtons? What is a force of 15 lbm ft/s? equivalent t...

A: Given: The first force is 15 kg.m/s2. The second force is 15 lbm.ft/s2.

Q: Four 9.5-kg spheres are located at the corners of a square of side 0.80 m. Calculate the magnitude a...

A:

Q: 2. 4 mc 2 mc 2 mc Q3 Q1 30 cm 20 cm F2 ? F3 ?

A:

Q: A gas is kept in cylinder that can be compressed by_pushing down on a piston. You add 2500 J of heat...

A:

Q: An object moves in a straight line according to the law v = t^3 -6t^2+4t, where v is in meters per s...

A:

Q: The speed of the Space X Falcon 9 rocket is reaches roughly 2300 m/s by the time it reaches an altit...

A: In this question we have to find the time taken to travel 60 km. Please give positive feedback if th...

Q: 1- Three vectors, a = 6î +2ĵ – 4k , b = -3î +4j + 2k , č =6î +73+3k , Find the following: a) За b) c...

A:

Q: A student performs the projectile motion experiment, shooting a steel ball with a purely horizontal ...

A: In this question we have to find the initial velocity of the ball. Please give positive feedback if ...

Q: ċ is fined thom for A purticle uf mass öo ky and cherie ro17 c is fined thom for aery cnt 2e0°ms tow...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Two toboggans are connected by a rope. The first toboggan has a mass of 60 kg and the second has a m...

A:

Q: Light travels from crown glass into air. (Refer to Table 1 for the indexes of refraction.) The angle...

A: Given: Angle of refraction r=60° Refractive index of crown glass μ1=1.523 Refractive index of air μ2...

Q: A car moves along a straight line whose equation of motion is given by s=5+4t-t^2, where s is displa...

A:

Q: 19.42 • A thermodynamic sys- ... tem is taken from state a to state Figure P19.42 c in Fig. P19.42 a...

A:

Q: 1. Show that the vectors A=2î – 31– k and B= -6î + 9ĵ + 3k parallel. are ANS:

A:

Q: A voltage of 12V is placed on a capacitor with C = 100 pF. (a) What is the charge on the capacitor? ...

A: Given data:-                             Voltage V = 12 V                             Capacitance C ...

Q: 1. One morning, Connie walks from her house to go to a store that is 500 ft, S 40° W from her house....

A:

Q: In 1960, the U.S. Navy’s bathyscaphe Trieste descended to a depth of 10,912 m (about 35,000 ft) in t...

A:

Q: Two particles of masses 1 kg and 2 kg are moving towards each other with equal speed of 3 m/sec. The...

A:

Q: An object is thrown horizontally from a height of 3 m with a speed of 18 m/s. If air resistance is i...

A: Initial height (h) = 3 m Initial horizontal velocity (u) = 18 ms  

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!