-

 The horizontal component of the initial velocity can be found using trigonometry. The horizontal component (Vx) is given by:

��=�⋅cos⁡(�)

where:

  • � is the initial velocity (20 m/s)
  • � is the angle of projection (60 degrees)

Plug in the values:

��=20⋅cos⁡(60∘)

You can evaluate the cosine of 60 degrees, or use the fact that cos⁡(60∘)=12. Therefore:

��=20⋅12

��=10 m/s

So, the horizontal component of the velocity of the ball is 10 m/s.

Comments

Post a Comment

Popular posts from this blog

What is the reason for potassium cyanide not dissolving in water while other alkali metal salts do dissolve?

-
Potassium cyanide (KCN) does actually dissolve in water, but the reason it is less soluble compared to other alkali metal salts is due to the nature of the cyanide ion (CN^-). The cyanide ion is a relatively large and polarizable ion, and it forms strong ion-dipole interactions with water molecules. However, the cyanide ion also has a high affinity for metal ions, including potassium ions (K^+). When potassium cyanide dissolves in water, the cyanide ions can form complexes with potassium ions, and these complexes are somewhat insoluble. This reduces the overall solubility of potassium cyanide in water compared to other alkali metal salts. It's important to note that while potassium cyanide does dissolve to some extent in water, the resulting solution is highly toxic due to the presence of the cyanide ion, which is a potent poison that can interfere with cellular respiration. Handling and using potassium cyanide should be done with extreme care and under appropriate safety measures.
Read more

What do you know about sodium fusidate?

-
  Sodium fusidate is a type of antibiotic medication that is used to treat bacterial infections. It is derived from the fungus Fusidium coccineum and belongs to a class of antibiotics known as fusidanes. Sodium fusidate works by inhibiting bacterial protein synthesis, which is essential for bacteria to grow and multiply. It specifically targets the bacterial ribosome, interfering with the process of protein synthesis and ultimately leading to the death of the bacteria. This antibiotic is commonly used to treat skin infections caused by bacteria such as Staphylococcus aureus, including those that are resistant to other antibiotics. It is available in various formulations, including topical creams, ointments, and oral tablets. Sodium fusidate is generally well-tolerated, but like any medication, it can cause side effects in some individuals. Common side effects may include gastrointestinal upset, allergic reactions, and skin irritation at the site of application for topical formulati...
Read more

What is the reason for sound traveling faster in solids compared to liquids or gases? What is the scientific explanation for this phenomenon?

-
  The speed of sound is determined by the medium through which it travels. In general, sound travels faster in solids compared to liquids, and faster in liquids compared to gases. The main factor influencing the speed of sound is the density of the medium and the elastic properties of the material. In solids, the particles are closely packed together, and they have strong intermolecular forces that allow for the transmission of mechanical waves (sound) through the material efficiently. The elastic properties of solids, such as Young's modulus and shear modulus, contribute to the transmission of sound waves by allowing the particles to vibrate and transfer energy rapidly. In liquids, the particles are still relatively close together, but not as tightly packed as in solids. The intermolecular forces are weaker compared to solids, leading to a somewhat slower transmission of sound waves. Liquids can still transmit sound because their particles can move and pass on the disturbance, but...
Read more