Start/Finish

Q: Calculate the acceleration of the 2000 kg twin engine aircraft just before takeoff when the thrust o...

A: mass (m) = 2000 kg thrust of engines = 1100 N   

Q: has a mass of 1820 kg and is orbiting at an elevation of 65.0 km from the surface, what is the gravi...

A: Given: The mass of the moon is 7.348x1022 kg. The mass of the LRO is 1820 kg. The distance of the LR...

Q: rges q1, q2, and q3  are situated at three corners of a rectangle as shown in the diagram below. Her...

A: We know that the formula of the electric potential energy is given as  U= kQ1Q2r where Q1 and Q2 are...

Q: 1. Figure 1 shows a multi-loop circuit. Determine I1, Il2 and Is. 2.5 0 12 V 1.8 Q 2.6 0 10 V Figure...

A:

Q: An object with a volume of 1200cm3  weighs 20N. What will it weigh when submerged in water?

A:

Q: Val's whole-house central air conditioner uses 2,500 watts when running. Val runs the AC 7 hours per...

A: Given data:  Power (P) = 2500 W = 2.500 kW Daily Uses = 7 hours/day  Number of days in a month = 30 ...

Q: If a = 3.0 mm, b = 4.0 mm, Q, = 60 nC, Q2 = -80 nC, and q = 36 nC in the figure, what is the magnitu...

A: Working formula: According to Coulomb's law the magnitude of electrostatic force between two charges...

Q: Determine the speed of sound on a cold winter day (T = 3 degrees C.)

A: The speed of sound varies with temperature. It increases with the increase in temperature. The speed...

Q: A current of 72.6 mA exists in a metal wire. (a) How many electrons flow past a given cross section ...

A:

Q: Find (a) the energy absorbed as heat and (b) the change in entropy of a 2.78 kg block of copper whos...

A: the energy absorbed as heat is given by Q=mC ( T2-T1 ) where m = mass of copper  C = specific heat o...

Q: What is the entropy change for 2.45 mol of an ideal monatomic gas undergoing a reversible increase i...

A: Given: The number of moles of the monoatomic gas is 2.45 moles. The initial temperature is 361 K. Th...

Q: A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 30 m to the wa...

A:

Q: An object having a specific gravity of 7.3 is placed in a cylinder containing mercury with a Gs = 13...

A:

Q: 50. A spring has a spring constant of 120 newtons per meter. Calculate the elastic potential energy ...

A: Given: The spring constant is 120 N/m. The stretching in the spring is 2 cm.

Q: conducting rod of length L = 30.0 cm slides over two horizontal metal bars with a constant speed v t...

A:

Q: ollowing equations of proportionality describes the total mechanical energy of a system in simple ha...

A: at amplitude , Displacement is maximum and velocity is zero

Q: a- Can the red colour = 700nm eject electrons from the metal surface? Explain? b- Complete the schem...

A: Given  Work function,W = 2 eV  For red light , wavelength = 700 nm   Energy incident, E = 1.77 eV   ...

Q: In a lab activity, forces A and B were set on the force table. A = 0.10 N at 0 degrees and B = 0.10 ...

A:

Q: What is the momentum of a 100kg a shell if its speed is 1500m/s?

A: Mass =100 kg =100 ×1000 gm=100000gm Speed = 1500 m/s

Q: The resultant of two equal forces A and B are 60 Ibs. If it makes an angle of 30°with A, find the ma...

A:

Q: What is the repelling force exerted by two charges +3C and +5C that are two meters apart? Note: Your...

A:

Q: wo persons, weighing 784 N each, carry an excess charge of 1.0 Coulomb, one positive and one negativ...

A: Force between two point charge  F = kq₁q₂/r2 

Q: Two small charged objects attract each other with a force F when separated by a distance d. If the c...

A: Hey there, since you have posted multiple questions. We have solved the first one for you. Please re...

Q: Two charges, 4.2 mC and -11.0 mC are separated by distance 41 m. What is the magnitude of the electr...

A: Given data:  Charge (q1) = 4.2 mC = 4.2×10-3 C Charge (q2) = - 11.0 mC = -11.0×10-3 C Distance (r) =...

Q: An ion that is doubly ionized passes through the velocity selector and into the deflection chamber o...

A: Electric field (E) = 6974 VmMagnetic field (B) = 0.0856 T distance (d) = 55.1 cm   

Q: Tutorial Exercise An air-filled capacitor consists of two parallel plates, each with an area of 7.60...

A: Given: The area of the plate is 7.6 cm2. The separation between plates is 2.25 mm. The potential dif...

Q: The highest atmospheric temperature ever recorded on earth was 57.8 C°. How will you express this te...

A:

Q: 2. A certain streched wire 120 cm long and 2.4 mm in diameter is fastened to a point in the ceiling....

A:

Q: A combination of two charges, with equal charge magnitude but opposite in signs.   a. ELECTRIC DIPOL...

A:

Q: Three capacitors are connected to a battery as shown in the figure below. Their capacitances are C, ...

A:

Q: Starting from rest, a wheel undergoes a constant acceleration for 10 seconds. When t = 3.0 s, the an...

A:

Q: A particle is observed to start at rest and accelerates at a= 30 +2t where t is in seconds, until it...

A:

Q: A horizontal force of magnitude F = 47.6 N pushes on a block of mass m = 6.08 kg. The block is on a ...

A:

Q: A vehicle starts from rest and travels eastward along a straight and level track. For the first 5.0 ...

A: Given that:- Velocity of vehicle =Vx(t)=0.68t^2

Q: Which of the following proportionality equations describe/s the velocity of a pendulum if the bob (m...

A: At maximum height velocity of simple pendulum is 0m/s.

Q: A labourer weighing 600 N is to carry 5 sacks of rice from ground floor to the second floor of the s...

A: Given  Weight of labour, W = 600 N  No of sack, N = 5  Mass of each sack ,M = 50 kg  Distance betwee...

Q: 9154319310 days to years

A: Given data:  Time (t) = 9154319310 days  Required: Time in years

Q: 1. Figure 1 shows a multi-loop circuit. Determine I1, l2 and I3. 2.5 O 12 V

A:

Q: 1. Margaret put the 2.0 Kg brick has the dimensions 7.5 cm x 15 cm x 30 cm in the table top. Find t...

A:

Q: Problem 2. When a long spring is stretched by 2cm, its potential energy is V. If the spring is stret...

A:

Q: 2. Consider a situation where a source is emitting a painfully high frequency sound and you want to ...

A:

Q: Imagine If A skateboarder is attempting to make a circular arc of radius r = 19 m in a parking lot. ...

A:

Q: For general projectile motion, when the projectile is at the highest point of its trajectory its vel...

A: Option (1) is correct. Explanation- For general projectile motion we know that the the horizontal ac...

Q: a) Fnd the flowing through the battery b) Find the current in the battery long after the switch is c...

A:

Q: law of planetary motion tells us about the constant variable in planetary orbits in line with the pr...

A: Keplers law of planetary motion tells us about the constant variable in planetary orbits in line wit...

Q: A plane flying at an altitude of 4000 m at a speed of 200 m/s. At what horizontal distance ahead of ...

A:

Q: 2. (1) Determine the magnitude and direction of net magnetic field, Bnet at point P which is located...

A:

Q: (ii) State two (2) factors that will affect the magnitude of the magnetic force that acting on a mov...

A:

Q: 4. A15 gram gun fires bullet at a muzzle velocity of 600 m/s. What is the recoil velocity of the gun...

A: Detailed solution of this question is given in below steps.

Q: What is hamiltonian equation

A: Given data: Hamiltonian equation.

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.