A ball is thrown horizontally from the top of a building 22m high.the ball strikes the ground at a point 35 m horizontally away from and below the point of release.Air resistant is neglected from this problem. d.what is the velocity of the ball in vertical direction ball just before it strikes the ground?

Q: A 2.41-µF and a 4.25-uF capacitor are connected in series across a 35.0-V battery. A 9.98-uF capacit...

A:

Q: plastic cup of negligible mass contains 0.280 kgm of an unknown liquid at a temperature of 30.0°C. A...

A:

Q: A 110 g copper sphere is heated by a flame so that it reaches the temperature of the flame. After th...

A: Mass of copper sphere m1=110 g, mass of water m2=250 g, initial temperature of water T2=12oC=285 K a...

Q: wo rods and one cable are attached to the supports at O. If two of the forces are as shown, determin...

A: We need to find the value of force F to be applied and the angle at which it should be applied to ac...

Q: You determine the average speed for your walking pace. If the measured distance of your trip is 100....

A: Given value--- distance = 100 +/- 0.5 . time = 60 +/- 0.3 . We have to find--- dv/v ?

Q: A photon has a frequency 4873935 Hz. Calculate its energy in Joules. Answer in Scientific Notation. ...

A: Given data :- Frequency ν =4873935 Hz To be calculated - Energy E

Q: Each of the four jet engines on an Airbus A380 airliner develops a thrust (a forward force on the ai...

A:

Q: In Figure P19.46, the current in the long, straight ( wire is I1 8.00 A, and the wire lies in the pl...

A:

Q: If gravity pulls you down toward the center of Earth with a force of 500 N, how much upward force do...

A: Given, Gravity pulls down toward the center of earth with a force of 500N.  

Q: 2. A 10 kg block of aluminum (density 2700 kg/m) is attached to a rope. (a) What is the tension forc...

A:

Q: A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high...

A: The shell fired horizontally. The intial height of the shell is 80 m. The horizontal distance travel...

Q: You drive your car from home to school at an average speed of 60 kph East for 1 hr and then continue...

A:

Q: Two point charges (A and B) are separated from each other by a distance of 6.68 m. What is the (a) ...

A:

Q: The body in the figure is pivoted at O, and two forces act on it as shown. If r = 2.03 m, r2 = 3.93 ...

A:

Q: What is the importance of recording the room temperature and atmospheric pressure prior to the exper...

A: Temperature- temperature is an an important fundamental parameter which shows that whether a thermod...

Q: Which of the following is an example of a vector quantity? a. volume b. velocity C. mass d. temperat...

A: Explanation :- A vector quantity has both magnitude as well as direction. So checking options- a- As...

Q: An object is moving along a straight line in the positive x direction. The graph shows its position ...

A:

Q: The forces are acting on a 0.25-kg object as shown. What is the x-component of the object’s accelera...

A: Given value--- Mass = 0.25 kg. We have to find--- What is the x-component of the object’s acceler...

Q: b) If a Doppler shift of 1636 Hz is measured in the ascending aorta using a 2MHz ultrasound transduc...

A: Given value--- Doppler frequency = 1636 Hz. frequency of ultrasound = 2MHz. Doppler angle = 0 degre...

Q: An alpha particle (consisting of two protons and two neutrons), traveling at a speed of v = 1.4 x 10...

A: Given value--- speed = 1.4 × 105 m/s. magnetic field = 1.8 T. We have to find--- Part (b)  In uni...

Q: 1. Why does the voltage across the resistor for charging and discharging processes change the sign f...

A:

Q: 3. A mass is placed on an inclined at 36.0 degrees. The coefficients of friction are 0.265 (kinetic)...

A:

Q: A body moving by the function x=3t^2 - 2t - 3 Find : a) average velocity between t=2 and t=3 b) inst...

A:

Q: A hose shoots water straight up a distance of 2.5 m. The end opening on the hose has an area of 0.75...

A:

Q: Am = 1.25 kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushe...

A:

Q: A 5-L amount of water at a temperature of 25°C will be raised to what temperature if 3000 calories o...

A: Given value--- Volume = 5 L. initial temperature = 25 degree C.  heat = 3000 cal. We have to find-...

Q: 30 25 20 15 (m)0 6. 10 12 t(sec) What is the total displacement of the car during the first 10 secon...

A:

Q: 3. A mass is placed on an inclined at 36.0 degrees. The coefficients of friction are 0.265 (kinetic)...

A: The situation is shown below   We have R=mgcos36f=μR =μmgcos36

Q: What is the efficiency of a heat engine that uses an input heat of 6.70 x 104 J and rejects 3.28 x 1...

A:

Q: A mercury barometer located in a room at 25◦C has a height of 750 mm. What is theatmospheric pressur...

A: Given in question -  Temprature(T) = 25°c                                     Hight (H) = 750 mm = 0...

Q: What is the difference between the size of the images created with a convex vs. a concave mirror?

A: Convex Mirror The inner surface is polished and the outer surface is reflective It is also called d...

Q: Given that, bz (400mm x 3000)mm b3(400mmx yootim) Area 100000mm? %3D 400 XB00 01200000 mm2 Ab3 = 400...

A: Write the relationship between stress and area. For constant force F, the stress σ is inversely pro...

Q: A certain strain of bacteria will divide itself from 1 to 2 every to [minute]. As a result, its popu...

A: Given: Population model The table is  Initial population No = 100   Asked: to find to in minutes

Q: The sum of vectors D, E and F is a resultant with a magnitude of 24.80 cm pointing 21.34o west of no...

A: According to question we need to find--- (a) the x-component of E, Ex, ? (b) the magnitude and dire...

Q: A charge of -2.00 µC is placed at the origin of a xy coordinate system, and a charge of 5.00 µC is p...

A:

Q: A truck covers 40.0m in 8.50s while smoothly slowing down to a final speed of 2.80m/s. A. find the o...

A: Given value--- distance = 40m. time = 8.5 s. final speed = 2.8 m/s. We have to find--- original s...

Q: An equation predict the relation between x and y as y = kx + b Find the value b of the best fitted l...

A: Given data for x and y

Q: When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is 15...

A: Value of capacitor = 360nf Initially energy stored in capacitor=  15.6 μJ. Finally energy stored = 2...

Q: A large weather balloon of mass 226.0 kg is filled with helium gas until its volume is 325.0 m3. Cal...

A:

Q: (1) Compute the equivalent capacitance of the network. 6 uF uF 6 uF 4 uF 4 uF 6 uF 6 uF 6 uF

A:

Q: 4. A certain charge Q is to be divided into two parts. Q-q and q. What is the relation of Q and q if...

A: Given data: The divided charge are,  q1=Q-q q2=q

Q: The 4.3-kN force F is applied at point A. (a) Compute the moment of F about point O, expressing it b...

A: GivenForce applied at A, F=4.3 kNxA=1.2 m, yA=1.8 ma=7, b=11

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and ac...

A: Given: time distance 0 0 1 2 2 8 3 18 4 32 5 50        

Q: A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reac...

A: When an object is thrown upward in the air then the time taken to reach the highest point is the sam...

Q: 1. An airplane makes a turn in a horizontal plane without sideslip at 480 mph. At what angle must th...

A:

Q: Your answer needs to have 2 significant figures, including the negative sign in your answer if neede...

A:

Q: Task 2: Write one situation showing the following conditions а. Charging by rubbing b. Charging by i...

A: When a charging by rubbing process, the material become negatively charge does so because it simply ...

Q: 9.8m diameter balloon is filled with helium at 21°C and 206.16kPa. Determine the mass of the helium ...

A:

Q: What is the acceleration of the "two block" system in the figure? 5 kg 30 N 10 kg (A) 2 m/s?

A:

Q: cylindrical cistern, constructed below ground level, is 3 m in diameter and 2.2 m deep and is filled...

A: